Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures ...

Government officials have said little about Trump’s most recent social media post on the matter. The president cited “tremendous interest” in the files, whatever they might contain. Perhaps the most ...

The truth about aliens may be out there, but don't expect them to look like little green men, RadarOnline. com can report.

Hardy bacteria in a lab survived pressures comparable to an asteroid strike on the red planet, suggesting a hypothetical scenario in which our planet was seeded with life.

Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Green Bank Telescope rules out alien signals in interstellar comet 3I/ATLAS after rigorous scientific deep search.

Harvard scientist Avi Loeb has slammed a seemingly far-fetched proposal to intercept interstellar comet 3I/ATLAS with a spacecraft, claiming that we’re putting energy in the wrong places.

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

Gypsum is a soft, translucent sulfate mineral that allows just enough light to penetrate for photosynthetic organisms to survive inside, while also protecting them from being desiccated or exposed to ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's observations.

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.