ALMA observations of carbon monoxide emission from 15 protoplanetary disks reveal a stunning variety of gas structures, ...

Super-Earths, larger planets similar to Earth, are far more common across the universe than scientists previously believed, according to a groundbreaking microlensing study using KMTNet telescopes.

Catch some morning meteors, see the Moon reach First Quarter, and watch Mars visit the Beehive in the sky this week.

Bright stars visible during May mornings include Arcturus in the west; Vega nearly overhead; with nearby Altair and Deneb completing the Summer Triangle; Antares in the southwest; and Fomalhaut rising ...

If you're tired of lugging your massive telescope to dark sky sites to observe the night sky, these small telescopes are much ...

Jupiter and Mars shine in the evening, more planets gather in the morning, and the Eta Aquariid meteors join in.

Discover the planet that has the most moons. This planet is a ringed giant and the second largest in the solar system.

NASA researchers got a rare chance to study Uranus' atmosphere and rings this month, when the ice giant passed between Earth ...

With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

The University of Arizona has utilized state-of-the-art Magellan Adaptive Optics Xtreme technology to observe the PDS 70 ...