The web-like features are believed to be sculpted by ancient groundwater, offering new clues about the Red Planet's watery ...

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

Gypsum is a soft, translucent sulfate mineral that allows just enough light to penetrate for photosynthetic organisms to survive inside, while also protecting them from being desiccated or exposed to ...

New photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid eggs.

On Monday night, someone placed a peculiar bet on the prediction market Kalshi. At 7:45 p.m. eastern time, a single trader put down nearly $100,000 on the claim that, by the end of December, the Trump ...

American space agency NASA announced it found a new way to allow the Perseverance rover to determine its position on Mars by itself.

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

For about six months, NASA's Curiosity Mars rover has been exploring a region full of geologic formations called boxwork, low ridges standing roughly 3 to 6 feet (1 to 2 meters) tall with sandy ...

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

Life on Earth may not have started here at all. A scientist says alien intervention is unlikely but still possible, reshaping the debate on our true origins.

Lara Trump said her father-in-law has prepared a speech on the existence of extraterrestrial life. Speaking on the New York ...