Are methane-belching microbes on Mars hiding underground?

View larger. | Perspective view from Mars Express of the transition region between Acidalia Planitia and…

A new explanation for Pluto’s largest moon

View larger. | Pluto and its largest moon Charon, imaged by the New Horizons spacecraft as…

3 years of the Webb telescope: Here’s what it’s discovered

View larger. | Artist’s illustration of the Webb Space Telescope, which has been probing the mysteries…

Mystery dark spot on Enceladus intrigues scientists

View larger. | The Cassini spacecraft caught this view of the surface of Enceladus, a moon…

When you wish upon a star, is it already dead?

Have you ever looked up on a clear night and wished upon a star? Cynics have…

avalanches, icy explosions and dunes

Spring on Mars brings explosive changes. As temperatures rise, the Martian northern hemisphere experiences dramatic events…

Are there liquid water brines on Mars? New study casts doubt

View larger. | An example of weird, dark streaks called recurring slope lineae on the slopes…

Io’s raging volcanoes are self-powered

View larger. | NASA’s Juno spacecraft captured this view of Io on December 30, 2023. A…

Exoplanet TRAPPIST-1 b might have a hazy atmosphere

View larger. | Artist’s illustration of TRAPPIST-1 b as it is about to pass behind its…

Best of Hubble and Webb

The European Space Agency (ESA) has announced its 2025 calendar, featuring the best images from the…