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Space Exploration Jan 11, 2023

Space junk, not meteorites, remains biggest threat to spacecraft

Dodging the kind of meteorite strike that forced Russia to plan a space station rescue mission is nearly impossible, yet the greater threat to spacecraft is actually the man-made debris in orbit, experts say.

Astronomy Jan 11, 2023

Origin of fireball spotted falling across UK discovered

An orange-sized space rock which blazed across the skies January 9 probably didn't make it to Earth.

Planetary Sciences Jan 10, 2023

Building blocks of life found in meteorite that crash landed in Gloucestershire

New research has been published on the organic analysis of the Winchcombe meteorite that crash landed onto a driveway in Winchcombe, Gloucestershire in 2021. The research, led by Dr. Queenie Chan, from the Department of Earth ...

Planetary Sciences Dec 16, 2022

Earth's water is 4.5 billion years old, says new study

The origin of Earth's water has been an enduring mystery. There are different hypotheses and theories explaining how the water got here, and lots of evidence supporting them.

Planetary Sciences Dec 12, 2022

Ryugu: Asteroid samples continue to shed light on solar system history

Nearly two years after Japanese mission Hayabusa2 returned to Earth, samples from asteroid Ryugu continue to reveal valuable information about the history of the early solar system.

Space Exploration Dec 7, 2022

How karst caves can be used as a terrestrial simulation platform to test and design human bases in lunar lava tubes

If human beings want to survive on the other planets for a long time, they must first find or set up a safe, stable, and long-term shelter. Lunar lava tubes are geological structures on the moon discovered in recent years. ...

Biochemistry Dec 7, 2022

Meteorites plus gamma rays could have given Earth the building blocks for life

Even as detailed images of distant galaxies from the James Webb Space Telescope show us more of the greater universe, scientists still disagree about how life began here on Earth. One hypothesis is that meteorites delivered ...

Planetary Sciences Nov 29, 2022

New minerals discovered in massive meteorite may reveal clues to asteroid formation

A team of researchers has discovered at least two new minerals that have never before been seen on Earth in a 15 ton meteorite found in Somalia—the ninth largest meteorite ever found.

Astronomy Nov 26, 2022

How satellites, radar and drones are tracking meteorites and aiding Earth's asteroid defense

On July 31, 2013 a constellation of US defense satellites saw a streak of light over South Australia as a rock from outer space burned through Earth's atmosphere on its way to crash into the ground below.

Astronomy Nov 23, 2022

NASA program predicted impact of small asteroid over Ontario, Canada

2022 WJ1 was a tiny asteroid on a collision course with Earth. But astronomers saw it coming, and NASA's Scout impact hazard assessment system calculated where it would hit.

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