Second-Largest Asteroid in the Solar System May Be an Ancient Piece From a Lost Planet, Claim Scientists Space exploration ...

Though they don't orbit around our sun, sub-Neptunes are the most common type of exoplanet, or planet outside our solar ...

ALMA observations of carbon monoxide emission from 15 protoplanetary disks reveal a stunning variety of gas structures, ...

MethaneSAT, the only satellite that can see the whole picture of methane pollution, is making it harder for companies to get ...

At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

SpaceX, already one of the biggest NASA and Pentagon contractors, could win billions of dollars in new contracts if President ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in our solar system. However, as with all ninth planet research, the new ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...

At 300 light-years away, the interstellar cloud is the closest of its kind ever found to Earth and the largest apparent single structure in the sky.

Vesta, thought to be the second-largest asteroid in the solar system, could be a piece of an ancient, unknown planet, a new ...

Vesta has a number of characteristics working in its favor when it comes to its visibility in the night sky. For one, it ...