Two new papers describe hints to a brine-filled environment on the 4.5-billion-year-old space rock and the presence of amino ...
A 200-foot-wide asteroid found in December has a one-in-83 chance of hitting Earth, according to space agencies.
A local fossil hunter found animal vomit at a Danish geological site that is believed to be 66 million years old.
When asteroids like Bennu hit the young Earth, they could have provided a complete package of complex molecules and the ...