Though they don't orbit around our sun, sub-Neptunes are the most common type of exoplanet, or planet outside our solar ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

The Earth started as a mixture of gas and dust around the Sun and grew as it collided with asteroids and dust particles.

Super-Earths, larger planets similar to Earth, are far more common across the universe than scientists previously believed, ...

HERE’S a question: do you know what happens to pee in space? If yes, urine with a chance of nailing this quiz. If not, you ...

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

A team of international scientists has identified a promising Planet Nine candidate by comparing infrared surveys of the sky ...

Sky This Week is brought to you in part by Celestron. Friday, May 2Asteroid 4 Vesta reaches opposition at 2 A.M. EDT this ...

The Dragonfly quadcopter will soar through Titan’s hazy skies and roam its dune seas in search of evidence that the distant ...

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.