Here’s a little spoiler for next month’s Cosmic Calendar: early May will see the return of the Eta Aquarid meteor shower. The ...

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

This blue star, with a mass about 14 times that of our Sun, completes a highly elliptical orbit around Sagittarius A* in just 16 years—compared to Earth’s 250-million-year journey around the galactic ...

Early on April 25, 2025, a rare triple conjunction of Venus, Saturn, and a crescent Moon will grace the morning sky. This ...

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

In addition to the exoplanet’s polar orbit, the brown dwarf pair itself is extraordinarily rare. They form an eclipsing ...

Like the Star Wars planet, a distant world follows a path around two stars, both of them small, cool bodies called brown ...