New research suggests that the planets in the Solar System may be acting as pacifiers for the Sun, subduing its activity. A ...

This quiz invites you to chase comets through time and space, from ancient omens to modern scientific marvels.

While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a ...

This week, Venus, Jupiter, Saturn, Uranus, and Neptune will create a rare planetary alignment, illuminating the sky before dawn. On September 19, the waning crescent moon, Venus, and Regulus (the ...

University of Virginia astronomy undergraduates focus on the shadows of asteroids and dwarf planets for their Earth-bound observations.

The long-standing idea of planets forming in perfectly flat, orderly discs has been challenged by new research. Instead of ...

By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyze site ...

The sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. Case ...

There exists a very special class of planets in the universe—ultra-short period planets. They are like "mysterious visitors" from interstellar space, challenging traditional understanding with their ...

Lasers aren't just useful for entertaining cats or pointing out features of PowerPoint slides. They can also drill holes on ...

Scientists are unraveling the mysteries of "steam worlds"—exoplanets known as sub-Neptunes that are rich in water but orbit ...

A team of scientists has investigated how Earth’s twin became so inhospitable, and whether the same will happen to our planet ...