Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...
A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...
"Understanding how spaceflight impacts the human brain is crucial as space exploration and tourism expand," a ...
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 ...
Recently discovered Comet C/2025 R3 (PanSTARRS) will make its closest approach to the sun and Earth in late April and could ...
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 ...
Gamma rays are invisible and ultra-powerful forms of light. They are the most energetic source of radiation known in the ...
On Jan. 11, 2026, I watched anxiously at the tightly controlled Vandenberg Space Force Base in California as an awe-inspiring ...
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