Astrophysics

A first-of-its-kind observation shows how jets from voracious black holes can shape the growth of galaxies

Experts found that the White House budget request for the upcoming fiscal year could defund 54 NASA science missions, including a spacecraft currently studying Jupiter and two planned Venus missions

After decades of planning, NASA’s Artemis program is giving astronomers their long-awaited moonshot

A single subatomic particle from deep space had the same energy as a baseball pitch, and scientists still don’t know how it got here

Long ago, the cosmos might have been a black hole factory—and these primordial objects are even weirder than you think

This science-fiction movie plays with quantum physics, space travel, astrobiology and mass-to-energy conversion

Just how big can a star become? The answer depends on when in cosmic history you’re asking the question

A new data release more than doubles the number of gravitational-wave candidate events—and reveals unexpected complexities of merging black holes

Bizarre objects that seem to lack all dark matter present a cosmic mystery

Despite years of debate and follow-up studies, an odd streak of cosmic light still defies a final explanation. Is it a giant black hole screaming through intergalactic space?

A new study explains how some supernovae are particularly dazzling—the glow from a magnetic, spinning ball of neutrons called a magnetar. An assist from Einstein is what settled the case

A new catalog of gravitational waves more than doubles the known number of these spacetime ripples