While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

The observatory, located away from city lights and above the fog line, offered a prime location to attempt to view the ...

In astronomy, an occultation is when a celestial body or object — like the moon or a planet — passes in front of a distant ...

Sky This Week is brought to you in part by Celestron. Friday, January 9Cygnus may be sinking toward the horizon a few hours ...

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

We flew between the giant planet Jupiter and the sun on January 10. This is Jupiter's yearly opposition. We are now in the ...

With the Moon at new early in the week, January delivers some of the darkest evening skies of the season — ideal ...

Rocket Lab just launched its first mission of 2026. An Electron rocket carrying two satellites for the European company Open ...

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the ...

Blue Origin says TeraWave could transmit data at speeds of up to 6 Tbps, raising questions about competition with Starlink ...