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…

AI combed Hubble’s archive, saw hundreds of cosmic anomalies

View larger. | AI combed Hubble’s archive, revealing – among hundreds of other discoveries – these…

New evidence for ancient Mars ocean found in giant canyon

View larger. | Artist’s concept of the view over Valles Marineris, aka the Grand Canyon of…

Iconic Ring nebula holds a mysterious iron bar, study finds

This is the iconic Ring nebula, as seen by combining 4 images from the WEAVE/LIFU instrument…

New view of distant worlds

View larger. | Quantum computers and exoplanets: This is the Webb space telescope’s view of the…