Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised scientists with their unexpected shape. Rather than resembling a ball, ...

In 2017, something entered our solar system that wasn’t supposed to exist. It moved too fast, accelerated when it should have ...

Hubble is known for peering into distant galaxies, but some of its most surprising images came from much closer to home. Detailed observations revealed unexpected activity, dramatic storms, and ...

It was "full-on erupting" during its flyby of the Sun. The post 3I/ATLAS Spraying Material as It Exits the Solar System ...

In late winter, the zodiacal light is visible in the evening in the Northern Hemisphere (false dusk) and in the pre-dawn ...

An astrophysicist who discovered water on another planet beyond our solar system was fatally shot outside his home this week. 67-year-old Carl Grillmair had worked with Caltech’s Infrared Processing ...

"Not bad for February in Northeast Ohio." Homeowner debunks common myth about solar panels one month after installing new ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

A 'ring of fire' eclipse is coming to Antarctica on Feb. 17.

As interstellar object 3I/ATLAS departs our solar system, it's releasing a surprising amount of water and ancient, carbon-rich material into space.

A new solar electrical generation facility near Coulee City has received a conditional use permit from Grant County officials. When it goes into operation, Dry Falls Solar is projected to generate up ...

"This is a crucial step towards characterizing giant planets beyond our solar system." ...