What would an alien diet look like?

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

Over 5000 alien worlds have been discovered outside our solar system

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...
The Cool Down on MSN

California scientists scanned 3I/ATLAS for alien tech, and found only Earth-based noise

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

Scientists Challenge a Fundamental Assumption About Consciousness

In the book version of “Project Hail Mary,” author Andy Weir, known for grounding his fiction in plausible science, describes ...

Does Disclosure Day Deliver? An Astrobiologist’s Take

An astrophysicist who searches for life in the Universe unpacks Steven Spielberg's UFO blockbuster Disclosure Day ...
ScienceAlert

This Famously Weird 'Pink Planet' May Have Salty Clouds, Study Finds

Scientists can't fully agree on what GJ504b actually is. It may be a massive planet or a brown dwarf, a mysterious class of ...