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

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

Central High School operates one of the few high school planetariums in the country, serving students and the community. LA ...

The vast majority of matter is dark – invisible until it is detected only through its gravitational effects. The newly discovered object could be a clump of dark matter, or it could also be a compact, ...

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 ...