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

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

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

Pfalzner's models show that interstellar objects — bodies ejected from other star systems — could be captured by these planet-forming disks. These objects could "seed" the disks, sweeping past the ...

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

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 ...

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

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

“The idea that Ryugu-like objects held on to ice for so long is remarkable,” he added. “It suggests that the building blocks ...

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 ...

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.

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