Expanding Spot on Venus Puzzles Astronomers
Sandtrapped Rover Makes a Big Discovery
Homer's Iliad tells the story of Troy, a city besieged by the Greeks in the Trojan War. Today, a lone robot sits besieged in the sands of Troy while engineers and scientists plot its escape.
Cassini observes meteors colliding with Saturn's rings
(Phys.org) —NASA's Cassini spacecraft has provided the first direct evidence of small meteoroids breaking into streams of rubble and crashing into Saturn's rings. These observations make Saturn's rings ...
Russian researcher claims to have found rocks from object that caused Tunguska explosion
Scientists on the look-out for a 'Hartley-id' Meteor Shower
This month, Comet Hartley 2 has put on a good show for backyard astronomers. The comet's vivid green atmosphere and auburn tail of dust look great through small telescopes, and NASA's Deep Impact/EPOXI probe i ...
Defending Planet Earth from Asteroid and Comet Strikes (w/ Video)
University of Maryland Astronomy Professor Michael A'Hearn, leader of NASA's Deep Impact and EPOXI comet missions is vice-chair of a new report from the National Academy of Sciences on detecting and protecting Earth from ...