5381–5400 of 5,557 results

Astronomy & Observing News

Gamma-Ray Burst Caught in the Act

A fast worldwide alert enables astronomers to snag their best-observed gamma-ray burst ever.

Astronomy & Observing News

Pluto Mission Gets Boost in Congress

The prospects for a mission to Pluto look better than ever.

Astronomy & Observing News

Neutrino and X-ray Pioneers Earn Nobel Prize

The 2002 Nobel Prize for physics will be shared by three researchers who opened up two new fields of astronomical investigation.

Astronomy & Observing News

Astronomers Warn Congress About Near-Earth Asteroid Risks

Meteor experts addressed Capitol Hill about the status of near Earth asteroid protection.

Astronomy & Observing News

Threatening Asteroids: Fewer Hits in our Future?

New studys suggest that asteroid impacts on Earth are more rare than preciously believed.

Astronomy & Observing News

A New Kuiper Belt Kingpin

Even though it's even farther from the Sun than Pluto, a newly discoverd object named Quaoar is so big and so bright that astronomers should have spotted it 19 years ago.

Astronomy & Observing News

Astro Image in the News:
Interstellar Odd Couple

What seems to be a 'next-door neighbor' to NGC 4319 is actually a billion light-year distant quasar.Courtesy NASA and the Hubble Heritage Team (STSCI/AURA). The Hubble Space Telescope captured this scene in the constellation Draco. The large galaxy is the 80 million light-year distant NGC 4319. And to its upper…

Astronomy & Observing News

Astro News Briefs: September 30–October 6

A new moon for Uranus and a new binary asteroid.

Astronomy & Observing News

Lumicon's Final Exposure

A household name in the astronomical community, Lumicon officially closed its doors at the end of September.

Astronomy & Observing News

Space Artists Honored

World-renowned space artists Don Davis and Jon Lomberg have been awarded the prestigious Klumpke-Robert Award by the Astronomical Society of the Pacific.

Astronomy & Observing News

LIGO Comes Alive

The Laser Interferometer Gravitational-wave Observatory is online and listening for black-hole collisions.

Astronomy & Observing News

The Crab's Shimmering Shock Waves

Never-before-seen details in the inner Crab Nebula reveal that the fast-spinning pulsar at its heart is powering a dynamic sequence of events.

Astronomy & Observing News

Polarized Microwaves Bolster New Cosmology

These scientists are posing beside DASI, a compact 'telescope' that gathers microwave radiation from the universe's infancy. DASI's latest discovery, announced today, adds credence to the new paradigm of an accelerating universe.Courtesy Stephanie Rowatt. By measuring the polarization of the cosmic microwave background radiation — an unprecedented technical achievement —…

Astronomy & Observing News

Midsize Black Holes in Midsize Star Clusters

Black holes with several thousand times the Sun's mass have unexpectedly turned up in the cores of globular clusters.

Astronomy & Observing News

Earth's Newest "Moon"?

An unidentified object orbiting Earth has piqued the interests of amateur astronomers.

Celestial News & Events

The Sun Remains Active

A large sunspot group has returned to the Earth-facing side of the Sun.

Astronomy & Observing News

Astro News Briefs: September 9–15

NASA names the Next Generation Space Telescope.

Astronomy & Observing News

Auroral Delights

A rare display of the aurora borealis, or northern lights, delighted observers at middle latitudes last Saturday evening. Click on the image to see a composite of four frames showing the aurora's rapidly changing form over the skies of Danbury, New Hampshire.Sky & Telescope photo by Rick Fienberg. On September…

Astronomy & Observing News

Astronomical League Surges With Growth

From humble beginnings 55 years ago, the Astronomical League has a shiny new office and some big plans.

Astronomy & Observing News

Assessing and Reporting Impact Risks

Astronomers are heavily debating the best way to accurately inform the public about the risks of deadly impact on Earth.

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