Billionaire and two-time traveler to space Jared Isaacman could soon get the full Senate’s attention for his nomination by ...

A reddish star is about to pass through a "beehive" of stars. That "star" is actually one of Earth's planetary neighbors.

Even if human Martians are given protective space suits and sturdy underground shelters, this radiation is likely to still ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...

Humans have always been explorers, venturing by land and sea into unknown and uncharted places on Earth and, more recently, ...

The new moon occurs April 27, and a day later Venus and Saturn will make a close approach to each other (known as a ...

Surprisingly, for a high-tech multibillionaire, he appears to not have a solid grasp on numbers.

The Hubble Space Telescope "opened a new window to the universe" when it launched into space. Now, 35 years later, NASA is ...

Perhaps the best known of all comets is Halley, correctly pronounced so that it rhymes with rally, not daily. It is named after the 17th-18th century astronomer Edmond Halley. This ...

For the past four years, NASA 's Perseverance rover has rambled over a region of Mars where scientists say a strong river ...

From the very first Cold War Geiger counters that were Sputnik and Explorer-1, to the autonomous robots of Mars, asteroid missions, telescopes, and the Voyager craft now ...

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...