The 300-foot-tall anomaly, which stands in stark relief to its lunar surroundings, has intrigued observers for years. More ...

The tantalizing prospect of inspecting a mysterious monolith on the surface of Mars moon Phobos was proposed earlier this ...

A new mineral-based biosignature detection method could identify signs of life on Mars using the Perseverance Rover's ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of a watery exoplanet with a red dwarf sun overhead. A new study suggests that the exoplanet GJ 3378b, which ...

If the truth is out there, the White House has a new scientific advisory group working on finding it. Called the UAP Science Advisory Council, the group’s members aim to advise the highest echelons of ...

A strangely shaped object photographed on the Martian surface has reignited bizarre theories about extraterrestrial life on the Red Planet. The picture, captured by NASA's Opportunity rover in 2014, ...

The Perseverance rover inspects a Martian rock called Cheyava Falls using its Scanning Habitable Environments with Raman & Luminescence for Organics & Chemicals (SHERLOC) instrument. NASA / ...

NASA has delivered the first batch of braking engines for the European Space Agency's Rosalind Franklin Mars rover, a hardware milestone that advances the mission from geopolitical wreckage to a ...

The Allen Telescope Array at the Hat Creek Radio Observatory. Credit: Seth Shostak/SETI Institute A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious ...