Billions of years ago, environmental conditions on Mars were significantly more hospitable than they are today. Our ...

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be ...

Scientists say extraterrestrial life may exist elsewhere in the universe, but vast distances, enormous energy requirements ...

Science fiction has thrived in literature over the last half a century, thanks to masterpieces like Hyperion and The ...

I was, therefore, intrigued by a recent report about grave goods containing a mysterious yellow glass found in 1922 in the ...

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet ...

The group leading the charge in the search for extraterrestrial life has given the all clear. The SETI Institute said Wednesday that extensive radio scans by its telescope in Northern California have ...

With that, exobiologists avoided one of the things they fear the most: the false positive—seeing the existence of life where ...

NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn that current tools and mission designs are likely missing subtle, but ...

Scientists may have found a powerful new way to hunt for alien life — not by searching for specific molecules, but by looking for hidden patterns in how those molecules are organized. Researchers ...

NASA's Curiosity rover has identified more organic compounds on Mars as scientists strive to learn whether the Red Planet ever harboured life. Five of the seven diverse organic compounds, which were ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian civilizations after sharing footage that appeared to depict a “three-sided pyramid” on ...