Massive interstellar object 3I/ATLAS, larger than Manhattan, shows unusual glow pattern and planetary alignment that Harvard ...

Together, DART and Hera lay the foundations for future planetary protection missions. Focusing on asteroids that could pose harm to our planet, these missions require planning and execution at short ...

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

A cosmic visitor is stirring up an earthly debate. A Harvard University astrophysicist has suggested the incoming ...

Mankind must decide how it’s going to deal with contact with extraterrestrials — and time could be running out, one expert warned — after he sounded the alarm that an incoming ...

NASA’s Hubble Space Telescope has captured its most detailed image yet of interstellar comet 3I/ATLAS. The rare comet is ...

Theoretical physicist Avi Loeb says 3I/ATLAS seems to be unusually large, doesn’t appear to have a typical comet’s tail and ...

The Hubble Space Telescope has captured a stunning image of a high-speed comet traveling through our solar system. Scientists ...