Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

The United States is stepping back from the most direct test yet of possible alien biology on Mars just as new telescopes and ...

NASA's Stereo Cameras for Lunar-Plume Surface Studies (SCALPSS) captured the landing of Firefly's Blue Ghost landing on the moon. Credit: NASA/Olivia Tyrrell | edited by Space.com Bills QB Josh Allen ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

Harvard's Avi Loeb says a rare sun alignment on 22 January could prove interstellar visitor 3I/ATLAS is an alien spaceship.

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...

In the summer of 2025, a massive 8.8-magnitude earthquake struck off the coast of Russia's Kamchatka Peninsula. While that is not one of the five largest earthquakes ever recorded, that is still ...

Could these be signs of artificial 3I-ntelligence? With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not. NASA has staunchly maintained ...

The Mars Perseverance rover has been investigating the Jezero Crater and came across something that is not native to Mars at all. It is a meteorite that collided with the red planet. Though various ...

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Two space telescopes really are better than one. This month NASA released a new image that combines observations from the James Webb Space Telescope (JWST) and the Chandra X-ray Observatory of two ...

When the solar system began to form, everything was chaos. A slew of rocky material was smashing together in a maelstrom that would eventually become the baby protoplanets, comets and asteroids that ...