The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

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

When I say jump, you say how high. Let’s put this to the ultimate test by hopping around the Solar System. Literally.

This brings us to the complexity of NASA's announcement. "Confirmed planets are added to the count on a rolling basis by ...

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.

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

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

Spiral arms are crowded regions of space filled with stars, dust, and gas. As the solar system traveled through them, ...

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

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 ...

Climate activist Bill McKibben said solar power’s rapid growth is good news, even if it could be bad news for Houston’s ...

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 ...