When a Mars-sized meteorite slammed into Earth billions of years ago, the impact completely reset any and all chemical ...

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

The simulation of the Solar System that came the closest to the observation was the presence of a small planet, between the ...

Millions of years before blue oceans and wandering continents, the Earth in its early days was a molten, tumultuous planet — ...

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

Apple Martin on Gwyneth Paltrow, Chris Martin's parenting: 'Shouldn't be entitled' Mortgage rates fall for second straight ...

Ryugu’s samples reveal that water activity on asteroids lasted far longer than scientists thought, possibly reshaping ...

Scientists at MIT and elsewhere have discovered extremely rare remnants of "proto Earth," which formed about 4.5 billion ...

This is what’s known as the "Purple Earth Hypothesis", an idea first proposed by Professor Shiladitya DasSarma, molecular ...

That idea thrilled scientists because it meant Mars might once have supported life. But newer space images have revealed that ...

Planet has announced a new class of imaging satellites that will replace a line of spacecraft dating back to the company’s ...