When the exploration of 3//ATLAS is likely to be at its most productive, the interstellar comet will be behind the sun. Space ...

Avi Loeb said bases this hypothesis on a July 21 image captured by the Hubble Space Telescope and shared by NASA.

Astronomers captured a glimpse of the innermost layers of a massive star before it exploded in a supernova, changing their ...

A Harvard scientist has suggested that an interstellar object passing through the solar system might be a nuclear-powered alien spaceship. Most astronomers believe the object, dubbed 3I/ATLAS, […] ...

Dr. Loeb first raised concerns earlier this month, noting an anomaly in the object's appearance. Unlike typical comets, which ...

Elon Musk founded SpaceX in 2002 in part with the goal of one day establishing a city on Mars - a plan Starship prominently figures into.

Could humans be heading to Mars in the 2030s? Here's how Elon Musk and SpaceX plan to launch Starship on a mission to colonize the Red Planet.

It’s worth noting that stars didn’t even start showing up until about 300 million years after the Big Bang. So, whether ...

A respected Harvard astrophysicist has shared new claims about the mysterious interstellar object in our Solar System, saying ...

Astronomers have spotted only three objects known to have come from outside our solar system. The newest, called 3I/ATLAS, is ...

A mystery object tearing towards Earth at break-neck speed has raised fears that aliens are on their way here.