Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

Obama thinks extraterrestrials exist and he’s not the only former president to think so... here’s what the scientists believe ...

Only one of these patches of lunar plain can be Luna 9’s actual landing site – and there’s no guarantee that either of them is. But the search is oddly compelling.

A University of Arizona-led team using a camera orbiting Mars has captured the closest images yet of an interstellar comet so rare that it has sparked wild speculation about its alien origins. The ...

Two research teams have identified possible landing sites for Luna 9, the first human-made object to safely reach the lunar ...

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — which could make it hard for nutrients to get down to its buried ocean.

After Challenger, NASA explored a radical idea: keep the shuttle stack, remove the crewed orbiter, and create an uncrewed heavy-lift cargo vehicle. Shuttle-C promised massive payloads for the Moon and ...

At just 500 kilometers across, Saturn's sixth-largest moon would fit comfortably inside the United Kingdom, with room to spare.

Two rival teams — one using machine learning, the other human eyes — race to find the first spacecraft to soft-land on the moon.

Discover the latest findings on interstellar comet 3I/ATLAS, from rare methane detections to high-resolution Hubble images, as it begins its final exit from our solar system.

Sixty years after Luna 9’s pioneering journey, researchers believe they may have found the craft’s final resting place.