An extreme heating event may have interfered with scientists’ attempts to figure out the Moon’s age by dating lunar rock ...

Even small asteroids can do a lot of damage—and new research shows the James Webb Space Telescope is adept at spotting the tiniest of space rocks.

Year? A light-year is the distance light travels in one year. Light moves incredibly fast — about 186,000 miles (300,000 ...

Why is space so dark despite all of the stars in the universe? The question of why space is dark, even though it is filled ...

Sunita Williams' return from space is delayed. Safety concerns with the Boeing Starliner spacecraft caused the delay. NASA ...

The northern lights, also known as the aurora borealis, are mesmerizing ribbons of light that have fascinated ... into our sun's activity, space weather and Earth's magnetic field.

Although the space agency has confirmed no imminent danger, the close encounters highlight the importance of vigilant ...

Discover the top alien and space movies, featuring thrilling adventures, extraterrestrial encounters, and epic journeys ...

Doubly unfortunate for those among us eager to visit galaxies far, far away–even moving at near lightspeed isn’t in the cards. “It’s neither possible nor survivable to travel near the speed of light ...

The universe is big, so the news is delayed by the vast gulfs of space it has to cross ... reach it and roughly the same time to return to Earth. By the time the light reaches us, it has spread ...

Astronomers just took a big step toward a better understanding of white dwarfs, a discovery that could shed light on ...

"How and where particles are accelerated in the jets of supermassive black holes has been a long-standing mystery." ...