AI promises to fix dating apps’ swipe fatigue and first-message dread. It may just turn love into something smoother, safer — ...

Across decades, robotic explorers like Sojourer, Spirit, Opportunity, Curiosity, and Perseverance have braved the harsh, frozen, and dusty landscapes of Mars, navigating razor-sharp rocks, deadly dust ...

A recent study showed that Mars was warm and wet billions of years ago. The finding contrasts with another theory that this era was mainly cold and icy. The result has implications for the idea that ...

Lindsay and Katakturuk, a pair of Hudsonian whimbrels, reunite every year, regardless of the distance or odds.

One to orbit, one to the moon.

The replacements for the astronauts involved in NASA's first medical evacuation are on their way to the International Space Station.

Four new crew members are on their way to the International Space Station after launching into orbit early Friday morning ...