With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

Nobody was expecting very strong energy dissipation inside Titan,” says Flavio Petricca, a postdoctoral fellow at NASA’s Jet ...

Cassini confirmed that Titan is one of the only worlds in the solar system with stable liquid on its surface. But when scientists examined its methane lakes, they found something unexpected: almost no ...

Unlike ʻOumuamua's eerie lack of coma or Borisov's more predictable gas cloud, 3I/ATLAS stayed stubbornly inert until late, ...

As 3I/ATLAS heads past Jupiter, viral theories claim the interstellar object could return towards Earth. What we know.

At 2:23 am Eastern time on March 19, 2025, an astronaut aboard the International Space station (ISS) captured a striking ...