The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

Discover the largest man-made object in space, the International Space Station (ISS), which was built in pieces, launched, ...

Earlier this month astronomers were thrilled to discover only the third known interstellar object ever seen in our solar system. Now dubbed 3I/ATLAS, the suspected comet has just zoomed past the orbit ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.

"To measure these properties, we should attempt to use all telescopes on Earth and in space." The post Mysterious Object ...

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be fair—but one of the largest yet discovered and with an orbit around the Sun that ...

Not every large object in space forms part of a solar system. There are some big objects that exist in isolation in space, without either being a star or orbiting one. One of these, SIMP 0136, wanders ...

It's much harder to find, but there are a lot more of them." The first interstellar object to visit the solar system may have ...

About five years from now, a modified Dragon spacecraft will begin to fire its Draco thrusters, pushing the International Space Station out of its orbit and sending the largest object humans have ...

The American Meteor Society (AMS) received more than 40 eyewitness reports describing the same event, most clustered around ...