A sliver of space where scientists found Segue 1, a faint dwarf galaxy about 75,000 light-years away, in 2006. Credit: Marla Geha / W.M. Keck Observatory It started with a homework assignment: A ...

The world’s best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each issue includes expert science reporting, vivid color ...

During the weekend, the orbits of Earth and Saturn will combine to create an interplanetary optical illusion for anyone with a good telescope and clear skies. By Tom Metcalfe New research suggests ...

Astronomy professor Chris Impey's MOOC, or Massive Online Open Course, has already signed up more than 1,000 students and it recently got a shout-out from Sports Illustrated, which listed "free online ...

New Delhi: A long duration X1.2 solar flare erupted from the Sun at 09:19 UTC on 10 November. The flare originated from a cluster of sunspots designated as Active Region 4274 by the US National ...

As NASA prepared astronauts for its second mission into space, National Geographic had exclusive behind-the-scenes access for the intense and out-of-this-world training these pioneers underwent.

China's advanced satellite power system delivers 2.6 MW with microsecond precision, reshaping satellite power, communication ...

Fundamental Astronomy: Brightnesses Stellar Flux And Luminosity At visual wavelengths, the Sun has a luminosity: Note I say at visual wavelengths because the flux we usually measure is in the visual ...

Our solar system consists of the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, as well as countless asteroids and comets, that are gravitationally bound to the Sun.

Melissa Sarnowski has been a game writer for over two years. While she's willing to dig into any game for an article, she heavily focuses on The Legend of Zelda, Resident Evil, Final Fantasy, and The ...

Peter Gratton, Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, risk management, and public policy. Peter began covering markets at Multex (Reuters) ...