NASA has defined asteroids as small, rocky objects that orbit the sun like planets, but they are much smaller in size. Most ...

NASA’s Lucy mission is about to fly past asteroid Donaldjohanson, a strange, elongated rock in the main belt. While this ...

If future Mars colonizers want to survive without pressure suits, they’ll need to generate a denser atmosphere. One way to ...

Lindley Johnson has been a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an ...

Scientists have long questioned whether an early Earth could have contained the appropriate hydrogen and oxygen on its own to ...

Only the hardy carbon-rich asteroids make it to Earth, after surviving the Sun’s heat and the fiery burnup that occurs when ...

Experts from the University of Oxford now think that the rocky material which built our planet had the elements it needed to ...

Researchers say they discovered evidence that early Earth was home to more hydrogen than previously thought, calling into ...

NASA has just premiered Planetary Defenders, offering a fascinating look at the high-stakes work geared toward protecting Earth from any large asteroids discovered coming our way.

YR4 made headlines in February with the news that it had a chance of hitting Earth on Dec. 22, 2032, as determined by an ...

An Oxford study suggests Earth’s water may be native, challenging the idea that asteroids brought water to Earth after the ...