A piece of a comet decided to take a fatal dive into the Earth’s atmosphere, causing a bright flash and explosion tens of ...

Researchers continue to build on a body of evidence for a fragmented comet that is thought to have exploded over Earth almost 13,000 years ago, which may have had a role in the disappearance of ...

Space has a way of making scientists throw out their textbooks. Just when astronomers think they understand how the universe ...

CC0 Usage Conditions ApplyClick for more information. Nearly 100 years ago, scientists detected the first signs of cosmic rays—subatomic particles (mostly protons) that zip through space at nearly the ...

The John N. Bahcall Lecture Series Presenter: Robert Kirshner, Clowes Professor of Science, Harvard University Exploding stars halfway across the universe show that the expansion of the universe is ...

A mysterious object found deep in the cosmos could soon have astronomers rethinking what they know about dark matter. That's according to a team of researchers who turned to a global network of ...