A hypothetical “fifth force” could tug on asteroids, if it exists. But the asteroid Bennu…

This exoplanet’s atmosphere is going full steam ahead. A planet beyond our solar system called…

One of the most compelling potential signs of extraterrestrial communication might have an astrophysical explanation.…

NASA’s Europa Clipper spacecraft is on its way to help solve a quarter-century-old mystery: Could…

Dozens of fugitive stars were caught fleeing a dense star cluster in a satellite galaxy…

Astronomers have finally found an asteroid keeping pace with Saturn in its orbit around the…