At the Edge of Time, a Litter of Galactic Puppies

The discovery of a black hole surrounded by protogalaxies provides astronomers with a rare glimpse of the web of matter permeating the cosmos.

Just in Time for the Election: An Asteroid?

According to NASA and the Jet Propulsion Laboratory, about the only thing we don’t have to worry about on the eve of the U.S. elections on Nov. 3 is being blasted to interplanetary bits by a rogue asteroid. There is a small asteroid headed our way on N...

An Asteroid Just in Time for the 2020 Election?

The object has a slender chance of hitting Earth — but even if it does, it’s too small to do any damage, astronomers say.

This Star Looked Like It Would Explode. Maybe It Just Sneezed

The mysterious dimming of the red supergiant Betelgeuse is the result of a stellar exhalation, astronomers say.