Astronomers have detected a smelly gas best known for the odor of rotten eggs—hydrogen sulfide—in the atmospheres of four giant planets far beyond our solar system. While the gas may be unpleasant on ...

Former U.S. President Barack Obama has clarified comments he made about alien life on a podcast over the weekend.

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp question: if alien signals have already reached Earth without us noticing, what ...

Former President Barack Obama ignited a firestorm when he seemed to admit aliens were “real.” Congress has explored the topic of UAP, UFOs for years.

The Science: Europa has been considered as a top contender for alien life for even longer than Enceladus, thanks to its massive under-ice liquid water oceans. It also displays water vapor plumes ...

Their observations of a faint, cool M-dwarf star called LHS 1903 revealed a system with a rocky world at its outer edge. LHS ...

NASA’s SPHEREx space telescope mission viewed 3I/ATLAS in December 2025, when researchers believed the brightening occurred due to a phenomenon associated with comets as they vent water, carbon ...

"I really wanna see the mass driver on the moon that is shooting AI satellites into deep space. Just going like 'shoom, shoom,' just one after the other." ...

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...