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 ...

The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found.

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 ...

“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 ...

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.

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

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

A cryogenics company called Bluefors needs ten thousand liters of helium-3 from the Moon to be delivered each year from 2028 ...