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Humans Just Changed an Asteroid’s Path Around the Sun, And Scientists Can Now Measure It
https://www.bioscience.com.pk/en/subject/space-science/humans-just-changed-an-asteroids-path-around-the-sun-and-scientists-can-now-measure-itway? The mission succeeded almost immediately. Observations showed that the collision shortened the orbital period of the asteroid moon Dimorphos around its larger companion Didymos by about 33 minutes. But scientists suspected something more subtle...
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Psyche Spacecraft’s Mars Flyby Captures Rare Images and Tests Ahead of 2029 Asteroid Mission
https://www.bioscience.com.pk/en/subject/space-science/nasas-psyche-spacecraft-captures-rare-mars-views-before-its-historic-2029-asteroid-missionMartian moons Phobos and Deimos from very far away as a part of a practice for the satellite search that we’ll use at the asteroid Psyche to look for any moonlets there.” The imaging campaign proved that the spacecraft can acquire valuable data while...
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The 2-Minute Day: Newly Discovered Asteroids Are Spinning Into Oblivion
https://www.bioscience.com.pk/en/subject/space-science/the-2-minute-day-newly-discovered-asteroids-are-spinning-into-oblivionthe team to track thousands of moving objects simultaneously, providing a rare glimpse into the chaotic motion of the asteroid belt. The Mystery of the 2.2-Hour Spin Barrier To understand why this discovery is so shocking, one must first understand the...
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800 Million Years Ago an Asteroid Breakup Sent a Cosmic Bombardment to Earth, Moon and Mars
https://www.bioscience.com.pk/en/subject/space-science/a-massive-asteroid-disaster-800-million-years-ago-may-have-changed-earths-cosmic-history3:1 mean‑motion resonance with Jupiter, a zone where the giant planet’s gravity can destabilize asteroid orbits. When the asteroid fragmented, many pieces were swiftly injected into this resonant pathway, funneling material inward toward Mercury, Venus,...
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ESA’s Tiny CubeSat Will Land on Asteroid Apophis to Measure Earth’s Gravity Pull
https://www.bioscience.com.pk/en/subject/space-science/europe-is-sending-a-tiny-spacecraft-to-land-on-a-potentially-dangerous-asteroidpast Earth at an exceptionally close distance on April 13, 2029. ESA says the mission will let researchers monitor, from the asteroid’s surface, how Earth’s gravity reshapes a large near‑Earth object during this rare encounter. Why the 2029 Apophis...
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Hayabusa2 Just Pulled Off a Historic Laser Experiment During a High Speed Asteroid Flyby
https://www.bioscience.com.pk/en/subject/space-science/hayabusa2-just-made-space-history-with-a-first-laser-experiment-around-an-asteroidhere for the rigors of asteroid flybys. During the encounter with Torifune, the LALT instrument fired two pulses at the asteroid. The first measurement was recorded from a distance of approximately 20 kilometers, followed by a second reading from about...
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Apophis 2029 Flyby: Asteroid Passes Inside Satellite Ring, Visible to Billions
https://www.bioscience.com.pk/en/subject/space-science/god-of-chaos-asteroid-is-racing-toward-earth-with-7-6-billion-people-in-its-viewing-zoneprojections show that observers across Australia, Asia, Africa, Europe and eastern South America may catch a glimpse of the asteroid as it arcs across the sky. Local darkness, cloud cover, and light pollution will dictate actual observing conditions,...
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New Data From Asteroid Bennu Suggest It Formed Much Closer To The Sun Than Expected
https://www.bioscience.com.pk/en/subject/astronomy/asteroid-bennu-may-have-formed-much-closer-to-the-sun-than-scientists-thoughtthey formed closer to the Sun, revealing new insights into the solar system’s early history. Dust samples retrieved from the asteroid Bennu are challenging long-held assumptions about where the building blocks of our Solar System originated. By...
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Asteroid vs. Meteor vs. Comet: What’s the Difference?
https://www.bioscience.com.pk/en/subject/astronomy/asteroid-vs-meteor-vs-comet-what-is-the-differenceunique phenomena they create. What is an Asteroid? Asteroids are rocky bodies that orbit the Sun, primarily found within the asteroid belt—a region located between Mars and Jupiter. These space rocks range significantly in size, from a few meters to...
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JWST Discovers Mysterious Changes Happening to a Distant World’s Hidden Rings
https://www.bioscience.com.pk/en/subject/physics/jwst-finds-chariklos-hidden-rings-are-changing-before-astronomers-eyesJWST observations reveal shifting rings around the asteroid Chariklo, offering groundbreaking new insights into the evolution of our distant solar system. New data from the James Webb Space Telescope (JWST) has unveiled a surprising level of...
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Nickel Isotope Clues Reveal Chicxulub Impactor Was Ultra Rare CO Chondrite
https://www.bioscience.com.pk/en/subject/science/a-rare-meteorite-from-deep-space-may-have-delivered-earths-deadliest-impactStudy finds the asteroid that ended the dinosaurs was a rare CO chondrite, with fine atmospheric debris—not sulfur—driving the global extinction. A new analysis of nickel isotopes trapped in the thin clay layer that marks the Cretaceous‑Paleogene...
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Deep-Drill Nuclear Blast Could Be Earth’s Best Weapon Against Large Asteroids
https://www.bioscience.com.pk/en/subject/space-science/chinese-scientists-say-they-have-found-the-best-nuclear-strategy-to-deflect-an-asteroidtwo nuclear‑defence concepts through extensive simulations. The first mirrors earlier proposals: a spacecraft impacts the asteroid’s surface, creating a shallow crater, and a nuclear device detonates within it. The second, termed a “pre‑excavation...
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Nickel Isotope Study Reveals Rare Origin of Dinosaur‑Killing Asteroid
https://www.bioscience.com.pk/en/subject/space-science/scientists-finally-identified-the-asteroid-that-wiped-out-the-dinosaurs-66-million-years-ago-and-it-was-an-extremely-rare-oneratios trapped in the thin, globally distributed layer of impact debris that settled 66 million years ago after the asteroid slammed into what is now the Yucatán Peninsula. By comparing these signatures with a catalog of known meteorite families, they...
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Earth Is About To Host A Rare Cosmic Experiment As The Giant Asteroid Apophis Skims Our Planet
https://www.bioscience.com.pk/en/subject/astronomy/apophis-will-zoom-past-earth-in-2029-turning-a-rare-flyby-into-a-planetary-defense-testscientists will use the rare 38,000 km flyby as a vital test for future planetary defense strategies. On April 13, 2029, the asteroid 99942 Apophis will make a remarkably close approach to Earth, skimming by at a distance of approximately 38,000...
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Moon Dust Reveals Why Earth’s Oceans Didn’t Come From Asteroids
https://www.bioscience.com.pk/en/subject/astronomy/moon-dust-reveals-why-earths-oceans-didnt-come-from-asteroidsTiny chemical clues inside Moon dust show what kinds of asteroids hit the Earth–Moon system for billions of years, and why those impacts added very little water to Earth. Earth has a short memory. Its surface is always changing as continents move,...
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Asteroid Bennu Holds a Secret About the Violent Origins of Our Solar System
https://www.bioscience.com.pk/en/subject/chemistry/team-solves-mystery-of-asteroid-bennus-formationisotope geochemistry at ETH Zurich. Her team’s findings, recently published in the journal Science Advances, reveal that the asteroid acts as a pristine time capsule, preserving the chemical signatures of the solar system’s birth 4.5 billion years ago....
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Could Crater-First Nuclear Explosions Save Earth From Late-Discovered Asteroids
https://www.bioscience.com.pk/en/subject/space-science/scientists-say-we-may-need-nuclear-weapons-to-stop-asteroids-but-not-the-way-hollywood-imaginedResearchers also highlighted the difficulty posed by bodies that remain hidden until shortly before a close approach. The asteroid 2024 MK, roughly 150 meters across, was discovered with only about 13 days of warning, according to the study. Limitations...
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Extreme Microbe Survives Mars-Like Impact Forces, Experiments Show
https://www.bioscience.com.pk/en/subject/space-science/extreme-microbe-survives-mars-like-impact-forces-experiments-showLaboratory tests show one of Earth’s toughest organisms can withstand pressures similar to asteroid ejection from Mars, reshaping debates about how life might travel between worlds. For centuries, scientists and philosophers have wondered whether life...
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Tianwen-2 Sends First Close-Up of Earth’s Quasi-Satellite Asteroid Kamoʻoalewa
https://www.bioscience.com.pk/en/subject/astronomy/scientists-finally-reveal-the-face-of-earths-mysterious-asteroid-companion-after-a-billion-kilometer-journeythe China National Space Administration (CNSA) on 29 May 2025, Tianwen‑2 is tasked with conducting an in‑depth study of the asteroid and ferrying back fragments to the planet. The data gathered are expected to shed light on the object’s birth, makeup...
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Scientists Discover a Space Shortcut That Could Reach Mars in Just 56 Days
https://www.bioscience.com.pk/en/subject/physics/a-space-shortcut-to-mars-in-just-56-days-has-been-found-and-europe-is-already-testing-the-techoffering a convenient reference plane for testing extreme transfer trajectories. Although later observations refined the asteroid’s trajectory, the early orbital solution still serves as a fixed geometric baseline. Souza imposed a strict rule: any...