Space

A chain of solar outbursts, including a "cannibal" coronal mass ejection that slammed Earth on Tuesday, will bring lovely auroras to parts of the northern US and most of Canada this weekend. Here's where to look.

The light from the most distant galaxy in the known universe suggests that there's something off about our current cosmological models, a new James Webb Space Telescope study finds. The explanations remain elusive.

The T Coronae Borealis nova will soon burst into life above our heads for the first time in 78 years.

Astronomers using the James Webb Space Telescope have found that Ariel, a moon of Uranus, has some of the most carbon dioxide-rich deposits in the solar system, hinting at a buried water ocean.

New simulations suggest that a 9-mile-thick layer of solid diamonds may lurk deep below the surface of Mercury. The gems almost certainly can't be mined for bling — but they may help solve some of the planet's biggest mysteries.

Citizen scientists have discovered what may be a brown dwarf racing through the cosmos at around 1.2 million miles per hour. Now astronomers want to know what launched it.

Vivid clouds swirl across Jupiter's skies like colorful brushstrokes in a new photo from NASA's Juno spacecraft.

A peculiar leopard-spotted rock, found beside an ancient, dried-out river in Mars' Jezero crater, contains some tantalizing clues of ancient life, NASA said.

With its moonless sky, the first week of August is one of the best times all year to see the Milky Way and meteor showers without a telescope. Here's how to be in the right place at the right time for the best view.