The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

A new trans-Neptunian object, 2017 OF201, has been found with a vast orbit and potential dwarf planet size. The finding hints at more hidden bodies beyond Neptune. A research team led by Sihao Cheng a ...

Discover the dramatic forces creating spectacular weather on neighboring planets and moons. Out in the solar system, the weather gets wacky – with globe-spanning dust storms, monsoons of liquid ...

The probe entered a region beyond the heliopause, where temperatures are incredibly high, and continued to function despite ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS.

The detection of a large interstellar object in 2017 named 'Oumuamua was a landmark discovery. Figuring out where the wayward traveler came from, though, is another challenge entirely, especially ...

A 1.3-MW solar system built atop the Cornell School District in Coraopolis, Pennsylvania, will offset 100% of its annual ...