We’d certainly know about it if an asteroid hit Mars or the moon, but just how much Earth would be affected depends on a number of factors ...

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 ...

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

According to NASA, "Asteroid 2024 YR4 is now too far away to observe with either space or ground-based telescopes. The space ...

As the mysterious interstellar comet 3I/ATLAS speeds towards its perihelion on 29 October 2025, NASA's Asteroid Terrestrial-impact Last Alert System (ATLAS) remains on watch — a reminder of humanity's ...

Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually.

New images reveal the stunning reversal of the interstellar objects “anti-tail” and could be indicative of a “maneuvering” ...

A team of researchers has put forth the idea of launching nuclear devices at asteroid 2024 YR4 with a chance of hitting the moon in 2032.

Final tests of NASA's laser beam communication technology suggests we'll soon have a new way to keep in touch with astronauts and spacecraft venturing into deep space.

An asteroid known as 2024 YR4 is estimated to have a 4% chance of hitting the moon in 2032. Now a group of researchers are debating how best to deal with the object, including an option to use a ...