EXCLUSIVE: You only turn 40 once, and Discovery is marking its milestone birthday in a unique way. The network is today launching Discovery Changed My Life, a four-part international series about how ...

The quest for extraterrestrial life remains a cornerstone of space exploration. In a groundbreaking revelation, NASA has presented persuasive evidence of ancient life on Mars. Let’s dig deeper into ...

Add Yahoo as a preferred source to see more of our stories on Google. ABC News' Stephanie Ramos spoke with Cambridge University astrophysicist Dr. Nikku Madhusudhan on a possible massive planet ...

For decades, scientists have imagined Martian life as something that might look faintly familiar, perhaps microbes not so different from those that once thrived in Earth’s ancient seas. A new wave of ...

Mars Discovery Raises Compelling Questions: Life or Chemistry? Results from NASA’s Perseverance rover reveal organic molecules, unusual minerals, and intriguing rock textures inside Jezero Crater’s ...

A mudstone sample from Jezero Crater shows textures and minerals that on Earth often form through microbial activity. Scientists caution that nonbiological processes could also explain the features, ...