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NASA Satellite That Studied Earth’s Radiation Belts Has Fallen Back to Earth
https://www.bioscience.com.pk/en/subject/space-science/nasa-satellite-that-studied-earths-radiation-belts-has-fallen-back-to-earthA retired NASA spacecraft that once explored Earth’s hazardous radiation belts has fallen back to Earth years earlier than expected, after heightened solar activity gradually pulled it out of orbit. Space missions rarely end with a dramatic finale....
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Scientists Warn: A Major Satellite Collision Could Be Just Days Away
https://www.bioscience.com.pk/en/subject/space-science/scientists-warn-a-major-satellite-collision-could-be-just-days-awayAs megaconstellations flood low Earth orbit, a new “CRASH Clock” reveals how close we may be to a chain reaction of satellite collisions that could disrupt life on Earth. If you checked the weather today, used GPS to navigate, watched a live sports...
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New Models Suggest Earth May Escape the Sun’s Red Giant Phase: Uncertainty Remains
https://www.bioscience.com.pk/en/subject/astronomy/earth-was-expected-to-be-swallowed-by-the-sun-new-research-changes-the-picturewill be swallowed when the Sun expands. Balancing Tidal Drag and Solar Mass Ejection Two opposing mechanisms shape Earth’s orbital fate as the Sun ages. On one hand, tidal interactions between an expanding star and its planet drain orbital energy,...
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The Voyager Golden Record: A Time Capsule of Life on Earth
https://www.bioscience.com.pk/en/topics/biology/the-voyager-golden-record-a-time-capsule-of-life-on-earthhuman body. These findings are essential for future missions, especially those that aim to extend human presence beyond Earth’s orbit. Moreover, this research extends to the study of life beyond Earth, exploring whether biology can persist in the harsh...
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Engineers Propose Giant Sunshade and Jupiter Fusion to Keep Earth Habitable After Sun’s Death
https://www.bioscience.com.pk/en/subject/earth-science/scientists-reveal-a-wild-plan-to-keep-earth-alive-after-the-sun-turns-into-a-red-giantcapabilities. Repositioning Earth and Revitalising Its Core Even with a protective shade and artificial sunlight, Earth’s orbit would gradually shrink under the red‑giant Sun’s influence. The paper explores the use of repeated gravitational slingshot...
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Rocky Super‑Earth GJ 3378b Found 25 Light‑Years Away Inside Its Star’s Habitable Zone
https://www.bioscience.com.pk/en/subject/space-science/scientists-find-a-rocky-super-earth-sitting-in-a-potentially-habitable-sweet-spotAstronomers reclassify a nearby exoplanet, placing it among the most promising potentially habitable worlds, boosting hopes for life beyond Earth. Located about 25 light‑years from Earth in the constellation Camelopardalis, the exoplanet GJ 3378b...
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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-differenceExplore key differences between meteors, asteroids, and comets. Discover origins, characteristics, and fascinating facts about these space objects. Human curiosity about celestial objects has always drawn our gaze upward, leading us to question and...
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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-journeyNew close‑up of asteroid Kamoʻoalewa shows its unique shape as scientists plan detailed studies and future sample missions to uncover its origins. China’s Tianwen‑2 probe has snapped the inaugural close‑up photograph of Kamoʻoalewa, a diminutive...
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Space Scientists Grow a Black Fungus on the ISS and Watch It Thrive Under Radiation
https://www.bioscience.com.pk/en/subject/biology/space-scientists-grow-a-black-fungus-on-the-iss-and-watch-it-thrive-under-radiationA radiation resistant black fungus grew faster on the International Space Station than on Earth, and sensors beneath its biomass recorded fewer ionizing events compared to a control surface. When discussions about life in space arise, most people...
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Scientists Deploy Swarm of Spacecraft to Study Apophis as It Skims Earth in 2029
https://www.bioscience.com.pk/en/subject/space-science/asteroid-apophis-is-coming-close-to-earth-in-2029-and-scientists-are-sending-a-spacecraft-swarmMultiple spacecraft missions are being readied to study asteroid Apophis during its rare 2029 Earth flyby. A fleet of spacecraft concepts is being shaped to capture data on asteroid Apophis during its close approach to Earth in 2029, providing a rare...
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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-zonemassive asteroid will sweep closer than many satellites, creating a rare sky event Asteroid Apophis will skim the Earth at roughly 32,000 km on 13 April 2029, an altitude lower than many geosynchronous satellites. Although the object will not collide...
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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-asteroidESA greenlights a CubeSat to attempt the first autonomous landing on asteroid Apophis before its close Earth flyby. The European Space Agency has moved forward with one of its most daring planetary‑defence projects by signing a contract for Don...
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New Satellite Design Could Change How We Track Missiles From Very Low Earth Orbit
https://www.bioscience.com.pk/en/subject/science/york-space-systems-unveils-new-satellite-bus-for-very-low-earth-orbit-missionsYork Space Systems has unveiled a new satellite platform for very low Earth orbit missions, promising faster and higher-resolution space-based sensing. Expanding Surveillance Capabilities in Very Low Earth Orbit York Space Systems has introduced a...
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European Satellite To Test First Air‑Breathing Electric Thruster For Ultra‑Low Earth Orbit
https://www.bioscience.com.pk/en/subject/science/the-worlds-first-air-breathing-spacecraft-thruster-may-soon-face-its-orbital-testEurope’s new mission will test if satellites can tap the upper atmosphere for propulsion, enabling them to stay in ultra‑low Earth orbit. Kreios Space, a Spanish start‑up, is gearing up for a landmark in‑orbit test that could reshape how satellites...
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China Revives Cold War Orbital Missile Threat, US Generals Sound Alarm
https://www.bioscience.com.pk/en/subject/science/china-brought-soviet-space-missiles-back-from-the-dead-a-former-u-s-general-warns-of-the-threatChina’s alleged orbital weapon test reignites Cold War fears, revealing a U.S. missile‑defense shortfall that may prove hard to fix before rollout. In August 2021, a Chinese flight test is reported to have placed a nuclear‑capable hypersonic glide...
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A Purple “Alien” on the Space Station Turned Out to Be a Potato
https://www.bioscience.com.pk/en/subject/space-science/a-purple-alien-on-the-space-station-turned-out-to-be-a-potatoA bizarre image from orbit sparked alien jokes online, but the truth behind the purple “tentacles” reveals how astronauts are quietly learning to grow food far from Earth. The image spread quickly online. A purple object floated inside a spacecraft,...
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Space Junk Could Disrupt Rare 2029 Asteroid Encounter According to New Research
https://www.bioscience.com.pk/en/subject/space-science/a-giant-asteroid-is-heading-toward-earth-in-2029-but-space-junk-could-complicate-its-historic-flybyAs asteroid Apophis approaches its 2029 flyby, researchers have uncovered a new risk involving Earth’s dense cloud of orbiting space debris. When the asteroid 99942 Apophis makes its historic approach to Earth on April 13, 2029, it will pass within...
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Astronaut’s Sudden Loss of Speech in Orbit Leaves NASA Searching for Answers
https://www.bioscience.com.pk/en/subject/space-science/astronauts-sudden-loss-of-speech-in-orbit-leaves-nasa-searching-for-answersA veteran astronaut abruptly lost the ability to speak aboard the International Space Station, triggering NASA’s first in-orbit medical evacuation. Months later, the cause remains a mystery. Spaceflight is built on preparation. Every task aboard the...
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NASA’s Moon Rocket Rolls Back to the Hangar Again as New Technical Glitch Delays Astronaut Flight
https://www.bioscience.com.pk/en/subject/astronomy/nasas-moon-rocket-rolls-back-to-the-hangar-again-as-new-technical-glitch-delays-astronaut-flightAfter fixing hydrogen fuel leaks, NASA’s massive Artemis moon rocket developed a helium system problem, forcing another return to the hangar and delaying the first crewed lunar mission in over 50 years. For the first time in more than half a century,...
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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-testWhen asteroid Apophis zooms past Earth in 2029, scientists 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...