The risk of impact is likely to drop to zero as observations of Asteroid 2024 YR4 continue.

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...

Firefly Aerospace's Blue Ghost lander, a private spacecraft hired by NASA to take experiments to the moon, got a rare front-row seat of the spectacle in space. The phenomenon occurred when the blue ...

The second full moon of the year—arriving on February 12—takes its name from the dusting of snowfall common at this time of ...

Solaris promises to be a major platform for education and research, with a particular focus on academic research into the Sun ...

He covers skywatching, human spaceflight, exploration as well as space science and ... The moon, like Earth, is a sphere, and it is always half-illuminated by the sun. As the moon travels around ...

For 366 days, six analog astronauts lived and worked in a sealed environment in Russia, an Earth-based stand-in for ...

ALIENS could discover humans on Earth by spotting one of 12 signs, scientists say. Topping the list is a clue that could be ...

The asteroid warning network is affiliated with the United Nations. Officials activate the IAWN when an asteroid bigger than ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. About 3.8 billion ...

When Clay Chilcutt transferred to the University of Georgia, he encountered some seemingly bad luck. The astronomy class that ...