“Something weird is happening” in the clouds of the planet next door—but some experts are raising doubts about the quality of the data.

The ice giant could represent the galaxy’s most common type of planet, but we know very little about it. Now scientists have declared that seeing the world up-close is a top priority.

Astronomer Frank Drake came up with the famous formula as he prepared for a last-minute meeting in 1961. It still guides the search for intelligent life beyond Earth.

Sixty years ago, on a chilly West Virginia morning, Frank Drake began to scan the stars for signals from faraway civilizations.

The Inspiration4 crew will spend three days circling the planet on a mission that aims to raise $200 million for St. Jude Children’s Research Hospital.

The DART spacecraft's collision changed a harmless asteroid's orbit more than expected, suggesting the technique could work if we need to deflect a real killer space rock.

The Arecibo Observatory’s suspended equipment platform fell hundreds of feet and crashed through the giant radio dish.

Forty years ago, on Nov. 16, 1974, Earth beamed its first postcard to the stars. The message left our home planet on a warm and sticky day in Puerto Rico and has been flying through the galaxy at the...

The primordial ocean dwellers are squarely situated in the arachnid family tree, scientists claim in a new study.

The James Webb Space Telescope has pulled off a harrowing sequence of steps that will soon allow humans to peer deeper into the universe than ever before.

Decades of tension, debate, and determination have led to this moment, as the James Webb Space Telescope begins its million-mile journey into deep space.

It's almost certainly not an extraterrestrial telegram. But waves that seemed to come from the vicinity of Proxima Centauri will help astronomers refine their search techniques.

After two support cables broke at Arecibo Observatory, the facility is in danger of a catastrophic collapse, prompting the National Science Foundation to decommission the telescope.

Forty years ago, on Nov. 16, 1974, Earth beamed its first postcard to the stars. The message left our home planet on a warm and sticky day in Puerto Rico and has been flying through the galaxy at the...

After a harrowing plunge through the thin Martian atmosphere, the robotic explorer ‘Percy’ can begin its landmark hunt for signs of ancient life

The newly released full-color image highlights a stunning collection of ancient galaxies—and heralds a new age for astronomy.