Summer-a time when the urge to explore places familiar and new beckons to young and old alike. Although the sun sets late during the summer months, we inevitably find ourselves outside looking at ...

Firefly Aerospace's Blue Ghost spacecraft has captured a stunning video clip of Earth ahead of its arrival on the lunar ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

UK researchers have confirmed the existence of a “super Earth” located 20 light-years away that could reveal the existence of ...

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...

In contrast, the term "aphelion" refers to the point where the orbiting body is farthest from the sun. Earth will reach its closest point to the sun, known as perihelion, on Jan. 3, 2026 at 12:15 ...

For a few months, Earth had a second moon — a tiny asteroid that may have been a piece of our own Moon ...

This 2022 satellite photo shows the summit of "one of the world's most dangerous volcanoes," Mount Vesuvius, peering up ...