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

The solar system holds extraordinary wonders, from Voyager 1’s historic journey into interstellar space after traveling ...

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

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

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

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 ...

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

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

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 ...

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

The horologists behind Vacheron Constantin’s La Quête du Temps reveal how they crafted the mechanical masterpiece to mark the ...