For generations, artists and science-fiction writers have imagined alien landscapes beneath twin sunsets. The image became iconic in popular culture long before astronomers confirmed that planets ...

The green colour of Earth's forests is not accidental. Plants contain chlorophyll, a pigment that absorbs red and blue wavelengths of sunlight while reflecting green light. This process allows plants ...

The newly discovered exoplanets, designated as GJ 9827 b, c and d, are located fairly close to their host star, completing orbits within 6.2 days. ESO A nearby 'super‑Earth' just 25 light years from ...

Extraterrestrial organisms that use infrared radiation are capable of leaving a unique light trail on other planets.

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of a watery exoplanet with a red dwarf sun overhead. A new study suggests that the exoplanet GJ 3378b, which ...

Add Yahoo as a preferred source to see more of our stories on Google. Humans have always wondered about life beyond the stars. The curiosity doesn't only stem from popular culture and the advent of ...

Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

If you keep up with where the next SpaceX or Blue Origin rocket is headed, you are probably familiar with NASA’s Double Asteroid Redirection Test, a project to determine if a rocket launched from ...

A strange rock formation captured in NASA rover footage has ignited fresh viral speculation regarding alien life on the Red Planet, after a prominent UFO researcher pointed out what appears to be a ...