Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...
Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.
Though 3I/ATLAS poses no threat to Earth or our satellites, its journey highlights how the networks we built for planetary ...
A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...
Planets larger than Earth but smaller than Neptune – so called sub-Neptunes – are the most common type of known exoplanet. It ...
Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no ...
Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...
Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...
On Jan. 11, 2026, I watched anxiously at the tightly controlled Vandenberg Space Force Base in California as an awe-inspiring ...
Among other things, the James Webb Space Telescope is designed to get us closer to finding habitable worlds around faraway ...
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