Space
- Planetary Science
Hard bodies pair off
About one out of every eight asteroids traveling near Earth has a rocky companion.
- Astronomy
Heavenly Taffy: Galaxies in collision
Astronomers have discovered a pair of colliding galaxies connected by a bridge of high-speed electrons and elongated magnetic fields.
- Astronomy
Physics-astronomy merger wins big
A new report recommends fostering the extraordinary collaboration taking place between particle physics and astronomy.
- Astronomy
Sharper Images: New Hubble camera goes the distance
Astronomers have unveiled a picture of the distant universe that ranks as the sharpest and most detailed ever recorded.
- Astronomy
Faded Stars Get New Role: Hubble takes a long look
By setting their sights on the galaxy's faintest stars, scientists have calculated the universe's age to be between 13 billion and 14 billion years old.
- Astronomy
Elliptical duet rides the Kuiper belt
Follow-up observations of an icy object in the Kuiper belt and its moon reveal that the two bodies revolve about each other in the most elongated orbit of any pair of objects in the solar system.
- Astronomy
Dusty Disks May Reveal Hidden Worlds
Images of gaps, rings, arcs, warps, and clumps in disks of dusty debris surrounding nearby stars are providing new clues about the nature of planets that lie beyond the solar system.
- Astronomy
Super Wallops: Tracking the origin of cosmic rays
Two new studies shed light on the longstanding mystery of where cosmic rays—the energetic charged particles that bombard our galaxy—originate.
- Astronomy
Strange Stars? Odd features hint at novel matter
Two stellar corpses thought to be made of neutrons may actually contain weird forms of matter never observed before.
- Astronomy
Cosmic Remodeling: Superwinds star in early universe
New measurements reveal that some of the earliest galaxies in the universe produced winds so powerful and persistent that they blew material from one galaxy to another, temporarily separating dark matter from visible matter and profoundly influencing the evolution of future generations of galaxies.
- Planetary Science
Jupiter’s Whirlpool
The surprising birth and rapid evolution of a giant vortex highlight the first movie of Jupiter’s polar regions seen in the ultraviolet. The movie and other Jupiter images from NASA’s Cassini spacecraft are available online at the Cassini imaging team and Jet Propulsion Laboratory Web sites. Go to: http://ciclops.org/view.php?id=58 and http://www.jpl.nasa.gov/releases/2002/release_2002_59.html
- Astronomy
Gamma-Ray Burst: A black hole is born
New evidence supports the notion that gamma-ray bursts, the most violent explosions in the universe, are the primal calling cards of newborn black holes.
