Astronomers discovered 3I/ATLAS, an interstellar object moving at over 60 km/s towards the Sun. It's the third known object ...

Dennis Mammana Stargazers We live in a world defined by inches, feet and miles (or centimeters, meters and kilometers, if you prefer), and it’s not difficult for most of us to comprehend sizes and ...

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

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

Sometimes "the universe comes to us," writes the European Space Agency. For the third time since 2017, an interstellar object ...

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 ...