On February 20, 2025, the first stage of a SpaceX Falcon 9 rocket streaked across Europe, and scientists in Germany tracked its lithium pollution plume via LiDAR.

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

The mysterious space rock that passed through our solar system grew significantly brighter as it left, according to scientists. Researchers say Comet 3I/ATLAS, suggested to be a hostile alien ...

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.

Four astronauts departing the International Space Station were all smiles during a change of command ceremony on Monday, despite a medical issue prompting an early return to Earth set for later this ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...

Astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spacecraft. 3I/ATLAS was confirmed as the third known object to enter our solar system from interstellar ...

Scientists and NASA officials insist the object is a natural comet, not alien technology. Recent observations found no radio signals from the comet that would suggest it was artificial. The comet made ...