The Sun, along with more than 1,500 other stars, journeyed from the middle of the Milky Way to its current position a few billion years ago.

A team of scientists has confirmed that the nearby star GJ 887 hosts at least four planets, one of which could be a habitable world — the second closest to our own solar system. RELATED: Animal life ...

These days, spacecraft are venturing into the final frontier at a record pace. And a deluge of paying space tourists should soon follow. But to earn their astronaut wings, high-flying civilians will ...

To many of you, Observable Space — formerly PlaneWave — needs no introduction. Starting as a breakaway from Celestron in southern California in 2006, PlaneWave was founded by Rick Hedrick and Joe ...

Asteroid 7 Iris reaches opposition at 1 P.M. EST today. Now shining at 9th magnitude, you can best spot the main-belt world after dark, rising higher in the hours after sunset. By 10 P.M. local time, ...

The only child of astronomer William Herschel, John Herschel was born March 7, 1792, in England. After studying mathematics at Cambridge University, Herschel began working with his father from 1816 ...

Early this morning, I watched the total eclipse of the Moon from my observatory in Tucson, Arizona. Yesterday (Monday, March 2) was mostly clear with a cerulean blue sky throughout, a high temperature ...

The longer nights of August beckon with several treats this month. Saturn and Neptune undergo their second conjunction of the year, appearing together in a low-power telescope eyepiece. Telescopic ...

A total lunar eclipse, sometimes called a Blood Moon, occurs over much of the world this morning, including the U.S. Total lunar eclipses can only take place during the Full Moon. Full Moon officially ...

February 24 was the date a new information pipeline began for astronomers around the world. Their computers received a deluge of cosmic notifications — 800,000 alerts about new asteroids, supernovae, ...

On Oct. 10, 1846, William Lassell peered through his 20-foot reflector in Liverpool, England. Lassell was a self-funded amateur astronomer who had made a fortune as a brewer, and he’d built his own ...

Twenty-one months after the deaths of the Apollo 1 crew in a fire during a test on the launchpad, the three men who had originally served as their backup crew — Walter Schirra Jr., Donn Eisele, and ...