Jupiter’s famous clouds aren’t ammonia ice but a murky mix of chemicals, sitting lower in the atmosphere than expected. For years, astronomers believed that Jupiter’s upper clouds — responsible for it ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

Astronomers trace the striking pattern to an encounter between a big galaxy and a much smaller one some 50 million years ago.

A pair of astrophysicists with Aix- Marseille Université, CNRS, and Institut Universitaire de France have developed a new ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

A rare ring of light surrounding a galaxy nearly 590 million light-years away from Earth has been discovered by a space ...

Euclid, the European Space Agency's dark Universe detective, has made an astonishing discovery -- right in our cosmic backyard.

CAPE CANAVERAL, Fla. (AP) — Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, ...