Earth already contains organisms that survive conditions humans could never endure. Alien life, if it exists, may force ...

Alien life may not need the kind of home humans instinctively search for. Some of the strangest possibilities begin once ...

Scientists have pieced together a pretty clear picture of what life was like on Earth thousands, even millions of years ago.

For thousands of years, humanity has looked up at the stars asking the same question. Are we alone? Then one day, it finally ...

Two major alien-life announcements in 2025 generated enormous excitement, but most astrobiologists remained unconvinced. Only 6.6% of surveyed experts thought possible biological molecules on K2-18b ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

Former NASA astronaut Winston Scott said he believes intelligent alien life exists, but cautioned that military conflict in ...

It's a dizzyingly busy time for scientists searching for life on distant planets. To date, astronomers have cataloged more than 6,000 planets beyond our solar system and are searching the atmospheres ...

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be unexplained flying objects. These file dumps were the culmination of a ...

The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth. By Kai James / The Conversation Published May 27, 2026 8:00 AM EDT This article was ...