IRON AND ICE

News About Asteroids And Comets

2,240 articles

Unexpected discoveries on a metal world
Oct 21, 2016 (SPX)
Astronomers have discovered possible evidence for water on the surface of the largest metallic asteroid in the solar system. Named 16 Psyche, the object is one ...
Avalanches, Not Internal Pressure, Cause Comet Outbursts
Oct 21, 2016 (SPX)
Outbursts of comet nuclei are likely caused by surface avalanches rather than geyser-like eruptions from within, research by the Planetary Science Institute's J...
Study suggests comet strike's link to age-old warming event
Oct 13, 2016 (AFP)
Scientists have found direct evidence that a comet struck the Earth more than 50 million years ago, coinciding with a warm period often compared with today's gl...
Kepler Gets the 'Big Picture' of Comet 67P
Oct 10, 2016 (JPL)
On Sept. 30, the European Space Agency concluded its Rosetta mission and the study of comet 67P/Churyumov-Gerasimenko. During the final month of the mission, NA...
Origin of minor planets' rings revealed
Oct 07, 2016 (SPX)
A team of researchers has clarified the origin of the rings recently discovered around two minor planets known as centaurs, and their results suggest the existe...
Alice Ultraviolet Spectrograph Completes Rosetta Mission to Comet 67P
Sep 30, 2016 (SPX)
After a two-year orbital tour around comet 67P/Churyumov-Gerasimenko, ESA's Rosetta spacecraft - carrying Southwest Research Institute's Alice ultraviolet spect...
Rosetta: The end of a fairytale
Sep 30, 2016 (AFP)
The European Space Agency bid a poignant farewell Friday to intrepid space explorers Philae and Rosetta, brought to "life" as loveable cartoon characters that i...
Rosetta measures production of water at comet over two years
Sep 30, 2016 (ESA)
Over the past two years, Rosetta has kept a close eye on many properties of Comet 67P/Churyumov-Gerasimenko, tracking how these changed along the comet's orbit....
Rosetta's comet adventure in numbers
Sep 30, 2016 (AFP)
Europe's ground-breaking quest to unravel the Solar System's mysteries concludes Friday with the Rosetta comet chaser crashlanding onto the cosmic wanderer's ro...
Farewell Rosetta: ESA Mission to Conclude on Comet's Surface
Sep 30, 2016 (JPL)
The European Space Agency's (ESA) Rosetta mission will come to a dramatic end on Friday, Sept. 30, with a controlled touchdown of the spacecraft on a region of ...
Rosetta: beginning of the end for Europe's comet craft
Sep 29, 2016 (AFP)
Europe was poised Thursday to crashland its Rosetta spacecraft on a comet it has stalked for over two years, joining robot lander Philae on the cosmic wanderer'...
Rosetta spacecraft headed for comet suicide crash
Sep 29, 2016 (AFP)
Europe's pioneering spacecraft Rosetta headed for a suicide crash Friday with the comet it has stalked for two years, nearing the end of an audacious quest to u...
NASA's Asteroid-Bound Spacecraft Aces Instrument Check
Sep 28, 2016 (SPX)
Its science instruments have been powered on, and NASA's OSIRIS-REx spacecraft continues on its journey to an asteroid. The spacecraft has passed its initial in...
Rosetta: The end of a space odyssey
Sep 26, 2016 (AFP)
Europe's trailblazing deep-space comet exploration for clues to the origins of the Solar System ends Friday with the Rosetta orbiter joining robot lab Philae on...
Summer fireworks on Rosetta's comet
Sep 26, 2016 (ESA)
Brief but powerful outbursts seen from Comet 67P/Churyumov-Gerasimenko during its most active period last year have been traced back to their origins on the sur...
Rosetta: How to end the fairytale
Sep 26, 2016 (AFP)
Once upon a time, two intrepid space adventurers called Rosetta and Philae set out from Earth to explore a comet far, far away. So begins the fairy tale adventu...
JPL seeks robotic spacecraft development for Asteroid Redirect Mission
Sep 22, 2016 (JPL)
NASA's Jet Propulsion Laboratory in Pasadena, California, has issued a request for proposal (RFP) seeking design, development and build of the robotic spacecraf...
Introducing the Daily Minor Planet: delivering the latest asteroid news
Sep 21, 2016 (SPX)
Have you ever wondered what piece of cosmic debris is whizzing past the Earth right now? Do you crave up-to-the-minute information about asteroids large and sma...
Astronomers Capture Best View Ever of Disintegrating Comet
Sep 19, 2016 (SPX)
Astronomers have captured the sharpest, most detailed observations of a comet breaking apart 67 million miles from Earth, using NASA's Hubble Space Telescope. I...
Researchers explain how minor planets got their rings
Sep 16, 2016 (UPI)
Scientists have determined the origin of the rings that surround a pair of minor planets orbiting between Jupiter and Neptune. The minor planets are known as ce...
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