Spring fireball season is underway! Watch for them

View at EarthSky Community Photos. | Greg Johnson captured this image on March 22, 2025, from…

Did we see a black hole explode? If so, it could explain a lot

Did we just see a black hole explode? UMass Amherst’s physicists think so. This artist’s concept…

Simulation of Enceladus’ ocean shows strong potential for life

This artist’s concept shows water vapor plumes erupting onto the surface of Saturn’s moon Enceladus. In…

Ice-cold Earth? Possible new exoplanet might be chillier than Mars

View larger. | Artist’s concept of HD 137010 b. This candidate exoplanet is rocky and just…

Mercury lives on? Strange streaks hint at active world

Mercury, as seen by NASA’s MESSENGER orbiter. Through a new analysis of MESSENGER’s images, researchers have…

Is a surprisingly massive exomoon orbiting this big exoplanet?

View larger. | Artist’s concept of a massive exomoon orbiting a gas giant exoplanet. A team…

New mission could create artificial solar eclipses in space

ESA’s Proba-3 spacecraft captured this image of our star. The sun’s dazzling body is blocked by…

Event Horizon Telescope probes source of 3,000-light-year-long black hole jet

The smooth, rounded glow is an elliptical galaxy made of roughly a trillion stars: the giant…

Life in Europa’s ocean still possible, new research suggests

Is there life in Europa’s ocean? A new study suggests that chemical nutrients in the moon’s…

Challenger disaster: 40 years ago today

A photo of the Challenger crew, taken on January 9, 1986, during training at the Kennedy…