However, while what we know about the universe suggests aliens may exist, there are three compelling reasons why they ...

The curious minds at What If explore what would happen if a quasi-star entered our solar system.

The recent confirmation of an atmosphere around a rocky exoplanet called LHS 1140b has created a wave of interest within the ...

After decades of secrecy, stigma, and sometimes silliness—like the conspiratorial tales about recovered spacecraft and alien ...

NASA's Roman Space Telescope wasn't designed for asteroid hunting, but its massive field of view makes it a powerful addition ...

The Nancy Grace Roman Space Telescope, set to launch at the end of August, is uniquely well-placed to help us spot any ...

The White House advisor has earned attention—and intense scientific criticism—for his theories about alien technology.

Meet seven of the most fascinating alien worlds identified by modern observatories, from JWST to the European Southern ...

These cosmic giants might one day propel our spacecraft, process unimaginable amounts of data, and even reveal advanced ...

The Ark Season 3 arrived on Syfy on July 29 with a premiere that buries an alien artifact storyline grounded in real ...

If super-advanced alien civilizations exist, they would surely require insane amounts of energy to run. Now, international ...

Scientists have discovered a puzzling object they're calling an "exosatellite" in a distant star system that defies classification.