The Search for E.T. Goes on Hold, for Now

A popular screen saver takes a break while its inventors try to digest data that may…

Remember When Japan Blasted an Asteroid? Here’s What We Learned

The Hayabusa2 spacecraft’s explosive encounter reveals that a space rock called Ryugu looks extremely young for…

Coronavirus Delays Work on NASA’s Moon Rocket and Capsule

Work will be suspended at two NASA centers, a setback that could end hopes for sending…

A Scientist Puts Things in Perspective

You don’t have to be Einstein to appreciate the scope of ‘Until the End of Time.’ …

Alfred M. Worden, Who Orbited the Moon in 1971, Dies at 88

While two Apollo 15 crewmen roamed the lunar surface on a scientific mission, he took valuable…

These Auction Items Are Out of This World. No, Really.

Collectors know that meteorites, proof of where art and science intersect, aren’t just for museums anymore. …

American Astronomy’s Future Goes on Trial in Washington

As competition with Europe heats up, astronomers pitch their dreams of giant telescopes astride the Earth. …

European-Russian Mars Mission Delayed to 2022 Over Coronavirus and Tests

“We cannot really cut corners,” said the head of the European Space Agency. Click…

Why Didn’t Saturn Eat Titan, Its Biggest Moon?

New simulations explain how the ringed planet ended up with one giant moon that domineers its…

This Black Hole Blew a Hole in the Cosmos

The galaxy cluster Ophiuchus was doing just fine until WISEA J171227.81-232210.7 — a black hole several…