Astronomy

Astronomy

Double the rubble: Nearby star system has two asteroid belts

Epsilon Eridani hosts an inner asteroid belt and planet arranged like those in the solar system.

Astronomy

Ultramassive: as big as it gets

A black hole can consume anything in its path. These monsters can become huge — but perhaps only so huge.

Astronomy

On that ‘earmark’ for my favorite science center

Featured blog: In the last debate, McCain denounced proposed federal spending on a multimillion dollar "overhead projector."

Astronomy

Dead — but not duds

White dwarfs shed light on physics and the fate of the cosmos.

Planetary Science

Saturn’s rings may not be as young as they look

Saturn's rings might be more massive, and thus older, than researchers had believed.

Astronomy

McCain Is Bullish on R&D

Featured blog: John McCain weighs in on science and technology issues with long-awaited written responses to the Science Debate 2008.

Astronomy

Last Call

The final mission to service the Hubble Space Telescope could radically transform the observatory, but the crew faces some special challenges.

Astronomy

Preserving digital data for the future of eScience

From the August 30, 2008 issue of Science News.

Astronomy

Invisible clumps in the galaxy

Model finds dark matter nearby and might shed light on the invisible material’s composition.

Astronomy

The Universe in a Mirror

The Saga of the Hubble Space Telescope and the Visionaries Who Built It.

Astronomy

Save the date: solar eclipse

NASA will broadcast and webcast the next total solar eclipse Aug. 1, live from China

Archaeology

Greeks followed a celestial Olympics

A Greek gadget discovered more than a century ago in a 2,100-year-old shipwreck not only tracked the motion of heavenly bodies and predicted eclipses, but also functioned as a sophisticated calendar and mapped the four-year cycle of the ancient Greek Olympics.