Astronomy

In 2022, astronomers announced the discovery of GJ 3929b. It's a rocky planet, similar to Earth in both mass and size. Astronomers have examined the planet with the JWST and concluded that it's a barren world with no atmosphere.

Hulu's hit animated sci-fi show returns Sept. 15 with a 10-episode binge-worthy barrage.

Asteroid Ryugu is proving to be one of the most scientifically valuable time capsules in the solar system.

This quiz will challenge your knowledge of Mars' features, missions, and mysteries.

Stargazers will need a clear view of the western horizon to spot the moon near Spica as the sun sets on Aug. 27.

ESA Open Days 2025

Your chance to meet the European Space Agency

A new long-term study suggests that the more heat waves people are exposed to, the more their body’s aging process accelerates

Scientists have developed a new and improved method to better understand "steam world" exoplanets, a move that could refocus the search for life.

New research tapping into decades-old concepts is challenging the notion that the only way to treat cancer is to kill every last cancer cell. Instead, scientists suggest, we could try a little persuasion

New research tapping into decades-old concepts is challenging the notion that the only way to treat cancer is to kill every last cancer cell. Instead, scientists suggest, we could try a little persuasion

SpaceX shared spectacular photos of its Falcon 9 night launch carrying the U.S. Space Force's X-37B space plane to orbit on Aug. 21, 2025.

Some fast X-ray transients — quick flashes of energetic radiation — may come from massive stars collapsing and exploding at the same time.

The post Weird X-ray Flashes Lose Some of Their Mystery appeared first on Sky & Telescope.

Observations from the James Webb Space Telescope reveal unexpectedly high levels of carbon dioxide coming off 3I/ATLAS, giving another clue to the comet’s origin

Observations from the James Webb Space Telescope reveal unexpectedly high levels of carbon dioxide coming off 3I/ATLAS, giving another clue to the comet’s origin

The James Webb Space Telescope has joined the study of the interstellar invader 3I/ATLAS, uncovering secrets that could reveal more about the planetary system in which it formed.

The narrowest magnetic loops ever seen in the sun's corona have been imaged by the most powerful solar telescope on Earth.

Fresh results from near-infrared instruments foretell a bright future for finding life elsewhere in the Milky Way

The chain of lights shows the river's corridor from Minya to New Bani Sewf City to the heart of Cairo.

Microplastics are seemingly everywhere—and now growing research suggests they could be breeding grounds for drug-resistant bacteria

A SpaceX Falcon 9 rocket launched Luxembourg's National Advanced Optical System spacecraft and several smaller satellites to orbit from California today (Aug. 26).