Astronomy

Space

Lopsided universe demands different explanation

Cosmologists analyzing an apparent asymmetry in the pattern of radiation reveal evidence for a new type of field in the early universe.

Tech

Holiday Gifts: Blog Sites

Sample other blogs and let us know of notables that we missed that are also worth sharing.

Astronomy

Stargazing Basics: Getting Started in Recreational Astronomy by Paul E. Kinzer

Cambridge Univ., 2008, 147 p., $19.99.

Earth

The Hunt for Habitable Planets

Here and now, a new suite of small telescopes are poised to look for Earthlike planets beyond the solar system.

Space

Hubble repair mission delayed yet again

Even as the Hubble Space Telescope was able to snap an image after several weeks of idling, a mission to visit and upgrade Hubble suffered another delay.

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.