But an international team of astronomers have detected the unmistakable signature of a gas giant planet orbiting the ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

Paramount just made it even easier to watch catch up on its best modern Star Trek series. Star Trek: Strange new Worlds ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

James Webb’s mid-infrared vision has likely captured a frigid, Saturn-mass planet shaping the dusty rings around the nearby ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

The vertical blue lines indicate, left to right, the 1930 discovery of Pluto; the occultation observations in 1985, 1988 and 2002, the last of these by Elliot et al. 1 and Sicardy et al. 2; and ...

Rocks found on Earth may have originated from Mercury: a potential breakthrough for astronomers.

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

What processes during the formation of Pluto's largest moon, Charon, potentially led to it having cryovolcanism, and even an ...