Overlooking signs of alien life may be humanity’s biggest mistake, according to scientists warning NASA could miss hidden ...

The recent announcement that scientists have spotted what they believe to be evidence suggesting ancient life on Mars seemed like the latest in an endless cycle of tantalizing hints followed by pleas ...

Just north of the Martian equator lies a 45 km (28 mi) wide impact crater that scientists believe may have been the site of an ancient lake. Here at Jezero Crater, scientists theorize that its frozen ...

revealed that ancient Mars had an environment similar to that of Earth, but the current Mars is a planet with an extremely harsh environment for life. Therefore, even if life was born on Mars, it is ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

For decades, astrobiology has been guided by one haunting question: Are we alone in the universe? The field’s mission is to test the possibility of extraterrestrial life, but the search is anything ...

NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn ...

NASA's Curiosity rover has photographed extraordinary spiderweb-like formations on Mars that scientists believe could hold the key to ancient life on Mars ...