Space

Astronomy

Powerhouse Astronomy: Blazing black hole from the early universe

A jet of matter and radiation emanating from a newly discovered black hole could provide a new probe of the first stars and the radiation left over from the Big Bang.

Planetary Science

Cometary encounter

Planetary scientists are feasting on close-up images of Comet Wild 2 as well as on the first information about its composition.

Planetary Science

NASA postpones plans for Mars samples

Still reeling from the failure of its two most recent missions to Mars, NASA announced late last month that it would delay by nearly a decade plans to bring back samples from the Red Planet.

Planetary Science

When storms collide on Jupiter

Astronomers have for the first time witnessed two giant storms merging on Jupiter.

Astronomy

Variable quasar may help measure the cosmos

A flickering cosmic mirage, recorded for the first time in X rays, promises to provide a new estimate of how rapidly the universe is expanding.

Astronomy

Tracking Solar Activity

Part of the Student Observation Network, this NASA Web site offers information and activities related to solar flares and storms. Vividly illustrated online tutorials provide guidelines and background for observing sunspots, recording radio waves, collecting data from magnetometers, and viewing auroras. Learn how to make a sunspot viewer or magnetometer. See live images of the […]

Planetary Science

Portrait of Phoebe: Cassini images a large Saturn moon

The Saturn-bound Cassini spacecraft took the first close-up images ever recorded of one of Saturn's oddest moons, Phoebe.

Astronomy

Transit of Venus

On June 8, Venus will pass across the face of the sun (as viewed from Earth). Such a transit occurs rarely; the last one was in 1882. A variety of Web sites feature information about these transits and offer advice for observing and timing the 2004 event. Go to: http://www.venustransit.ie/ and http://sunearth.gsfc.nasa.gov/sunearthday/2004/index_vthome.htm

Astronomy

Young World: NASA telescope reveals clues to newborn planet

Astronomers have found signs of what may be the youngest planet known, plus the first signs ever of organic compounds in a region of dust that could evolve into a planet-forming region.

Astronomy

Huge solar flares hit far-flung craft

Spacecraft throughout the solar system have detected material spewed into space by a group of huge solar flares late last year.

Astronomy

Oddball asteroid

Astronomers have discovered an asteroid that takes only 6 months to go around the sun.

Astronomy

Cosmic Push: X-ray study confirms universe’s dark side

Culling clues from X rays emitted by distant clusters of galaxies, astronomers report new evidence that some mysterious force overcame gravity's tug about 6 billion years ago and ever since has been pushing galaxies apart at an accelerating rate.