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

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

The composition of crystals in volcanic rocks changes with their ages in ways that correlate with the Solar System’s ...

Venus’ surface is pocked with round, crown-like features known as coronae. The more-or-less round features can look like ...

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 ...

@Starlit Astronomy: The many mysteries of Venus may be related to a massive celestial impact event. In the early solar system ...

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 ...

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

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.

NASA’s IMAP mission, led by Princeton University’s David McComas, will study the heliosphere — the invisible electromagnetic ...

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

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 ...