Simulations show Mercury may have been victim of hit-and-run collision
Mercury contracted more than prior estimates, evidence shows
New evidence gathered by NASA's MESSENGER spacecraft at Mercury indicates the planet closest to the sun has shrunk up to 7 kilometers in radius over the past 4 billion years, much more than earlier estimates.
High levels of molecular chlorine found in Arctic atmosphere
(Phys.org) —Scientists studying the atmosphere above Barrow, Alaska, have discovered unprecedented levels of molecular chlorine in the air, a new study reports.
New insights concerning the early bombardment history on Mercury
(Phys.org) —The surface of Mercury is rather different from those of well-known rocky bodies like the Moon and Mars. Early images from the Mariner 10 spacecraft unveiled a planet covered by smooth plains ...
A close-up view of Mercury: Researchers find the planet may have had a dynamic past
New observations from a spacecraft orbiting Mercury have revealed that the tiny, pockmarked planet harbors a highly unusual interior and the crafts glimpse of Mercurys surface topography ...
Earth's massive extinction: The story gets worse
Scientists have uncovered a lot about the Earth's greatest extinction event that took place 250 million years ago when rapid climate change wiped out nearly all marine species and a majority of those on land. ...
Mercury's magnetic field -- nipped in the bud
(PhysOrg.com) -- Mercury, the smallest of the eight planets with a diameter of 4900 kilometres and the closest to the Sun, looks more like the Moon than the Earth from the outside. It is the only rocky planet ...
Kepler finds first earth-size planets beyond our solar system
(PhysOrg.com) -- NASA's Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called Kepler-20e and Kepler-20f, are too close to their star ...
A water ocean on Titan?
Oddities in the rotation of Saturn's largest moon Titan might add to growing evidence that it harbors an underground ocean, researchers suggest.
NASA spacecraft now circling Mercury -- a first
For the first time, Earth has a regular orbiting eye-in-the-sky spying on the solar system's smallest and strangest planet, Mercury.
New type of nuclear fission discovered
Mercury's comet-like appearance spotted by satellites looking at the Sun
Scientists from Boston University's Center for Space Physics reported today that NASA satellites designed to view the escaping atmosphere of the Sun have also recorded evidence of escaping gas from the planet ...
New revelations about Mercury's volcanism, magnetic substorms, exosphere from MESSENGER (w/ Video)
(PhysOrg.com) -- Analysis of data from MESSENGER's third and final flyby of Mercury in September 2009 has revealed evidence of younger volcanism on the innermost planet than previously recognized, new information ...
Mercury passes in front of the Sun, as seen from Mars
(Phys.org) —NASA's Curiosity Mars rover has imaged the planet Mercury passing in front of the sun, visible as a faint darkening that moves across the face of the sun.