It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the very early Solar System ...

Planetary scientists analyzing oxygen isotopes in lunar soil from the Apollo mission sites conclude that meteorite bombardment over 4 billion years could only have delivered a tiny fraction of Earth’s ...

"A strong magnetic field is very important for life on a planet," study lead Miki Nakajima, an associate professor in the ...

A solar storm could wreck havoc on our satellites and send them all crashing into each other, creating an unstoppable debris storm.

How Earth got its water may trace back to its original building blocks. Apollo Moon soil shows meteorites added only a small ...

Now, scientists have devised a clever new way to predict where the pieces may land.

The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.

For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This coincided with the Late Heavy Bombardment (ca. 4.1 to 3.8 billion years ago), a ...

A massive meteor struck near Manson, Iowa, 74 million years ago, creating the U.S.'s largest impact crater and reshaping the ...

A new NASA study of its Apollo lunar soils clarifies the Moon’s record of meteorite impacts and timing of water delivery.

A NASA study shows that meteorites delivered only a small amount of water to Earth over the past four billion years.