IRON AND ICE - RADAR DAILY

Mar 29, 2017 (SPX)

For at least a million years, an asteroid orbiting the "wrong" way around the Sun has been playing a cosmic game of chicken with giant Jupiter and about 6,000 o...

OSIRIS-REx asteroid search tests instruments, science team

Mar 27, 2017 (SPX)

During an almost two-week search, NASA's OSIRIS-REx mission team activated the spacecraft's MapCam imager and scanned part of the surrounding space for elusive ...

Ice in Ceres' shadowed craters linked to tilt history

Mar 23, 2017 (JPL)

Dwarf planet Ceres may be hundreds of millions of miles from Jupiter, and even farther from Saturn, but the tremendous influence of gravity from these gas giant...

The many faces of Rosetta's comet 67P

Mar 23, 2017 (JPL)

Images returned from the European Space Agency's Rosetta mission indicate that during its most recent trip through the inner solar system, the surface of comet ...

Collapsing cliff reveals comet's interior

Mar 22, 2017 (ESA)

Rosetta scientists have made the first compelling link between an outburst of dust and gas and the collapse of a prominent cliff, which also exposed the pristin...

Cryovolcanism on Dwarf Planet Ceres

Mar 15, 2017 (SPX)

Among the most striking features on the surface of Ceres are the bright spots in the center of Occator crater which stood out already as NASA's space probe Dawn...

Earth is bombarded at random

Mar 09, 2017 (SPX)

Do mass extinctions, like the fall of the dinosaurs, and the formation of large impact craters on Earth occur together at regular intervals? "This question has ...

Warped Meteor Showers Hit Earth at All Angles

Mar 09, 2017 (SPX)

Some meteor showers persist for weeks and months, even though Earth sweeps a big arc around the Sun during that time. The meteors arrive from a slightly differe...

Dawn Identifies Age of Ceres' Brightest Area

Mar 09, 2017 (JPL)

The bright central area of Ceres' Occator Crater, known as Cerealia Facula, is approximately 30 million years younger than the crater in which it lies, accordin...

Mechanism underlying size-sorting of rubble on asteroid Itokawa revealed

Mar 09, 2017 (SPX)

In 2005, the Hayabusa spacecraft developed by the Japan Aerospace Exploration Agency (JAXA) landed on Itokawa, a small near-Earth asteroid named after the famou...

Earth is bombarded at random, crater study shows

Mar 07, 2017 (UPI)

New analysis of Earth's myriad craters turned up no evidence of an impact pattern. Earth is bombarded at random, the research shows. Some astronomers suggest th...

Long-Lasting Cryovolcanism on Dwarf Planet Ceres

Mar 07, 2017 (SPX)

Among the most striking features on the surface of Ceres are the bright spots in the center of Occator crater, which stood out already as NASA's space probe Daw...

Asteroid Split in Two and, Years Later, Developed Tails

Mar 03, 2017 (SPX)

Asteroids on the main belt, situated between Mars and Jupiter, move around the Sun in quasi circular orbits, so they do not undergo the temperature changes whic...

NASA study hints at possible change in water 'fingerprint' of comet

Mar 01, 2017 (SPX)

A trip past the sun may have selectively altered the production of one form of water in a comet - an effect not seen by astronomers before, a new NASA study sug...

Researchers aim to measure risk of exploding asteroids

Feb 27, 2017 (UPI)

As 2013's Chelyabinsk meteor proved, an asteroid doesn't have to make direct contact with Earth's surface to do considerable damage. The Chelyabinsk meteor, whi...

Surprising Dunes on Comet Chury

Feb 24, 2017 (SPX)

Surprising images from the Rosetta spacecraft show the presence of dune-like patterns on the surface of comet Chury. Researchers at the Laboratoire de Physique ...

Origin of spooky meteor noises reappraised by researchers

Feb 22, 2017 (SPX)

When a meteor is about to conk your neighborhood and gives fair warning by emitting sizzling, rustling and hissing sounds as it descends, you might think that t...

Dawn discovers evidence for organic material on Ceres

Feb 22, 2017 (JPL)

NASA's Dawn mission has found evidence for organic material on Ceres, a dwarf planet and the largest body in the main asteroid belt between Mars and Jupiter. Sc...

Origin of spooky meteor noises reappraised by Sandia researchers

Feb 22, 2017 (SPX)

When a meteor is about to conk your neighborhood and gives fair warning by emitting sizzling, rustling and hissing sounds as it descends, you might think that t...

New data about 2 distant asteroids give a clue to the possible 'Planet Nine'

Feb 22, 2017 (SPX)

In the year 2000 the first of a new class of distant solar system objects was discovered, orbiting the Sun at a distance greater than that of Neptune: the "extr...