An asteroid the size of a skyscraper is approaching Earth at 24,136 miles per hour. The giant asteroid will be at its closest ...

The sun was heading into a long slumber, but started waking up in 2018, with high solar activity and fluctuating cycles that ...

Since then, we’ve sent spacecraft to each planet of the solar system and beyond. We landed on the moon (six times!), built ...

A giant space rock the size of New York's Chrysler Building will make a close pass by Earth Thursday, and it could get even ...

Stargazers can tune in to the Virtual Telescope Project's YouTube stream beginning at 11 p.m. EDT on Sept. 17 (3:00 GMT Sept. 18) to see live views from the organization's robotic telescopes located ...

Last week NASA announced the "clearest sign of life that we've ever found on Mars". Amazing news, or a "crushing blow" for humanity?

We like to think that our solar system is eternal, but one day, its very epicenter will die. Our Sun, like all stars, had a ...

Astronomers have identified a tiny quasi-moon, 2025 PN7, orbiting near Earth for about 60 years. This 62-foot-wide near-Earth ...

Earth will move between Saturn and the sun this weekend, offering prime views of Saturn in what's known as "opposition." Here's what to know.

For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could ...

While Saturn has been visible in the night sky all of September, this weekend, the ringed planet will shine its brightest.

A research team led by geophysicists at UC San Diego’s Scripps Institution of Oceanography provides an explanation for ...