Contextualizing speed and distance helps set expectations. Around perihelion, 3I/Atlas is moving at roughly 68 km per second. Its closest approach to Earth is about 1.8 AU, near December 19, which is ...

While the comet poses no threat to the Earth, its uniquely positioned trajectory and origin have caught the attention of ...

Astronomers have identified 2025 SC79, a new asteroid with a remarkably fast 128-day orbit, placing it among the ...

Contrary to allegations that 31/ATLAS is potentially hostile alien tech, the Manhattan-sized comet could provide potentially ...

Deflecting asteroids by running spaceships into them may sound like science fiction, but it's quite real. And it's quite a ...

No, NASA didn’t confirm a second moon, but scientists did discover something else that’s been traveling with Earth for ...

The comet, called 3I/ATLAS, is the third known interstellar object that has come through our solar system. As it flies deeper ...

Hidden by the Sun’s glare, a new space object has been found lurking in our Solar System, and it's one of the fastest-moving ...

A massive crater hidden beneath the Atlantic seafloor has been confirmed as the result of an asteroid strike from 66 million ...

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

In particular, one scientist has claimed it could even be an 'alien mothership', with a few key differences which he claims ...

The unusual trajectory of interstellar comet 3I/ATLAS has sparked speculation that it could be an alien spacecraft.