"The formation of planetary systems is not exclusive to stars but might also work around lonely starless worlds." ...

NASA's Voyager probes have reached a mysterious boundary at the edge of the solar system, uncovering a searing "wall" hotter ...

"This discovery was partly serendipity! But, we believe there are many more such opportunities hidden in Hubble data." ...

In 2015, astronomer Tabetha Boyajian and colleagues announced the discovery of unusual light fluctuations coming from a star ...

This newborn planetary system is emerging around the young star HOPS-315, which sits some 1,300 light years away from Earth. Around such young stars, astronomers often see discs of gas and dust known ...

Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy ...

The Solar System, home to Earth and countless other fascinating planets and moons, exists within the Milky Way galaxy. But ...

There’s a visitor in town, and its name is 3I/ATLAS. The presumed interstellar comet presents a rare opportunity for ...

The Vera Rubin telescope is poised to kick off an explosive era of discovery. "It's like old-fashioned astronomy: Find the ...

Astronomers have, for the first time, observed the very beginning of planet formation around a star beyond our Solar System. Using the James Webb Space Telescope and ALMA, researchers detected hot ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...