Astronomy

The next year of science for the James Webb Space Telescope has been selected. It includes remote galaxy observations and, at last, a hunt for exomoons

The Thirty Meter Telescope and Giant Magellan Telescope might need to compete for survival in the face of federal spending limits

A new catalog of more than 12,000 galaxy clusters is helping scientists better understand the universe’s clumpiness, dark energy and some of the smallest particles in the cosmos: neutrinos

New research reveals the origins of stars, sleep-based treatments and the planet’s limits

Maps of stellar motions can show whether the Milky Way will someday merge with the Andromeda galaxy—and a whole lot more

Three-dimensional printouts of stellar nurseries are helping to reveal how stars are born

The upcoming total solar eclipse and a pair of new sun probes are revolutionizing scientists’ understanding of our closest star

Comet 12P/Pons-Brooks will make its closest approach to the sun this April—right after North America is treated to a total solar eclipse

Scientists have finally found the compact object at the heart of the famous supernova of 1987, and it’s not a black hole

Without adding an extra day to February every four years, our calendar would get increasingly out of sync with the cosmos

How artist and astrophysicist Nia Imara makes 3-D prints of the birth of stars

Despite being some six billion kilometers away, the sun from Pluto would be a dazzling sight to behold—carefully, that is