Astronomers spotted an object speeding at 133,200 miles per hour (about 214,364 kilometres per hour), which is too fast to be ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

NASA has explored the space beyond Earth and our solar system with spacecraft like Voyagers 1 and 2, and how we’ve discovered ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

A fluffy, Jupiter-sized planet may be triggering deadly flares from its star, leading to the slow destruction of its own atmosphere.

Spacecraft are not like the starships you see in movies. There is no endless supply of dilithium or hypermatter that lets you ...

Space may be vast, but it certainly isn't empty, as yet another extrasolar object has been spotted in our cosmic neighbourhood. A new object that is believed to be from beyond the solar system has ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.