NASA loses contact with MAVEN, its Mars orbiter studying the planet's atmosphere, after a decade of successful operations.

NASA is losing critical communication links with its Mars missions. After recently losing contact with the MAVEN spacecraft, ...

If you thought 2025 was an exciting year for spaceflight, just wait until 2026. Here's a look at six missions that could define the year.

If you thought 2025 was an exciting year for spaceflight, just wait until 2026. Here's a look at six missions that could define the year.

NASA’s Perseverance rover has uncovered towering sand formations on Mars that defy scientific expectations. The discovery suggests powerful winds once shaped the planet, challenging beliefs that Mars ...

NASA announced what may be the strongest evidence yet of ancient life on Mars, but there are major reasons to be cautious. This video breaks down two key problems the hype glosses over the massive ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to come thick and fast. But when we've found it, how will we know for sure?

A bevy of comets, a "blood moon" total lunar eclipse and impressive northern lights were just three of the skywatching highlights in 2025. Here's how they unfolded.

Waymo’s robotaxis suffered a serious failure on Saturday when a power outage affecting a large part of San Francisco caused ...

The northern and southern lights, especially active lately, have been treating sky watchers to spectacular shows. But what ...

Morgan Stanley is emerging as a leading contender for a key role in SpaceX’s blockbuster initial public offering, as the bank ...

While much of Perseverance's work focuses on ancient rocks that record Mars' long-lost rivers and lakes, megaripples offer a ...