A Piece of Mars That Fell in Antarctica Contains Ingredient for Life, Scientists Discover
The new discovery adds to a growing pile of evidence that Mars may have been more hospitable to life in the distant past.
A Key Ingredient for Life Has Been Found on an ‘Extraterrestrial Source,’ Scientists Report
This is the first time a complete protein has been discovered on an object from space, if the study's results are confirmed.
How an Ancient Rock Carrying Earth’s Oldest Known Crystals Ended Up on the Moon
"Big Bertha," a lunar rock that was picked up by Apollo 14 astronauts, originated on Earth 4.1 billion years ago, according to a new study.