Planet rotation comparison brings the solar system into motion with a clear timelapse showing how differently each world ...

Long before Clyde Tombaugh was searching the skies from an observatory in Arizona, he was a farm boy trying to make sense of ...

But it’s not time to put away your telescopes, with some lesser-known astronomical events set to arrive across the sky this month. The Pleiades will appear next to the moon, Venus will reach its ...

Pluto looms large in the public imagination as the far frontier of the solar system, but the world itself is remarkably small ...

Twenty years after Pluto lost its planetary status, the debate continues as scientists still disagree over what defines a ...

Those who supported Pluto’s demotion included Neil DeGrasse Tyson ...

The discovery of the Kuiper Belt revealed thousands of icy objects near Pluto, challenging its status as a planet. After the ...

Dark streaks along Pluto’s giant nitrogen glacier may mark places where liquid nitrogen recently reached and flowed across the surface. Computer models suggest nitrogen could melt beneath the ...

The spacecraft is currently approaching the outer boundary of the solar system as it prepares to cross into interstellar space.

September 2026, like Virgo itself, is a month about adaptation. The month is about understanding and integrating the personal ...

A new study led by Southwest Research Institute (SwRI) provides evidence that liquid nitrogen is rising to Pluto's surface through cracks at the northern edge of Sputnik Planitia, part of the massive ...