1161–1180 of 1,197 results

Astronomy & Observing News

Scrutinizing Supernovae

Astronomers uncover new clues about what happens in the crucial Type Ia variety of exploding star.

Astronomy & Observing News

The Oldest, Weirdest Planet

It orbits not just one star, but two. And it's almost as old as the universe itself.

Astronomy & Observing News

Keck Interferometer Measures a Future Solar System

In a technological tour de force, the two giant Keck telescopes combine light waves for super-sharp resolution of the disk around a young star.

Astronomy & Observing News

Arizona Scopes Escape Wildfire

Intense firefighting efforts have saved the many telescopes of Steward Observatory northeast of Tucson.

Astronomy & Observing News

NASA To Launch Glowing Night Clouds

NASA will release three luminous clouds into the night sky over the Eastern Seaboard as early as tonight.

Astronomy & Observing News

Delta Scorpii Still Showing Off

For the fourth summer in a row, a special star near Antares is shining abnormally bright.

Astronomy & Observing News

News from the Sun

Solar astronomers meeting this week have announced a spate of new research results about our home star.

Astronomy & Observing News

A New Neighbor Star

Astronomers turn up a faint red dwarf just a few light-years from the solar system.

Astronomy & Observing News

Views of the Pale Blue Dot

NASA's Mars Global Surveyor has become the latest spacecraft to image the Earth-Moon pair from afar.

Astronomy & Observing News

The Deepest Photo Ever Taken

The Hubble telescope's newest and best camera has broken the record for imaging the faintest stars and galaxies.

Astronomy & Observing News

Titan's Surface: Mostly Ice, Not Goo

Saturn's large, haze-shrouded moon is covered mostly with dirty ice rather than exotic hydrocarbons, according to the best spectral evidence yet.

Astronomy & Observing News

Astro Image in the News:
A Spectacular Light Echo

An erupting star in Monoceros spreads its light across surrounding gas and dust.

Astronomy & Observing News

How Bright Was History's Brightest Supernova?

The dazzling supernova of the year 1006 amazed the medieval world. Now astronomers have pinned down its distance and brightness.

Astronomy & Observing News

Catching Ancient Stardust

Tiny grains blown off from stars that existed before the solar system formed are sifting down all around us.

Astronomy & Observing News

Mapping the Big Bang

Results from NASA's MAP satellite strengthen the new cosmology.

Astronomy & Observing News

Exoplanet's Mass Pinned Down

For the first time, astronomers have measured a star's side-to-side wobble caused by an orbiting planet.

Celestial News & Events

Observing the Leonids

Here are some tips to help you observe the Leonid meteor shower.

Astronomy & Observing News

Cosmic Rays from the Kuiper Belt

The "anomalous cosmic rays" have finally had their origin pinned down — in the outer reaches of the solar system.

Astronomy & Observing News

Dark Matter Gets a Reality Check

There's no way to avoid it; galaxies really are surrounded by halos of unknown, invisible stuff.

Astronomy & Observing News

A Double Star's Planet

Astronomers have discovered the first planet that orbits one star of a close pair.

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