Impact glass stores biodata for millions of years
(Phys.org) —Bits of plant life encapsulated in molten glass by asteroid and comet impacts millions of years ago give geologists information about climate and life forms on the ancient Earth. Scientists ...
Hubble Space Telescope spots Mars-bound comet sprout multiple jets
(Phys.org) —NASA released Thursday an image of a comet that, on Oct. 19, will pass within 84,000 miles of Mars—less than half the distance between Earth and our moon.
Actin cytonauts at play in the cell
Rosetta сomet-chasing probe wakes up, signals Earth
Waking up after almost three years of hibernation, a comet-chasing spacecraft sent its first signal back to Earth on Monday, prompting cheers from scientists who hope to use it to land the first space lander ...
Comet Lovejoy's wiggle offers glimpse of Sun's variable coronal magnetism (w/ video)
Life on Earth shockingly comes from out of this world
(Phys.org) —Early Earth was not very hospitable when it came to jump starting life. In fact, new research shows that life on Earth may have come from out of this world.
Earth's center is out of sync
(Phys.org) —We all know that the Earth rotates beneath our feet, but new research from ANU has revealed that the center of the Earth is out of sync with the rest of the planet, frequently speeding up and ...
Herschel links Jupiter's water to comet impact
(Phys.org) —ESA's Herschel space observatory has solved a long-standing mystery as to the origin of water in the upper atmosphere of Jupiter, finding conclusive evidence that it was delivered by the dramatic ...
Study rebuts hypothesis that comet attacks ended 9,000-year-old Clovis culture
(Phys.org)—Rebutting a speculative hypothesis that comet explosions changed Earth's climate sufficiently to end the Clovis culture in North America about 13,000 years ago, Sandia lead author Mark Boslough ...
Study supports theory of extraterrestrial impact
A 16-member international team of researchers that includes James Kennett, professor of earth science at UC Santa Barbara, has identified a nearly 13,000-year-old layer of thin, dark sediment buried in the ...
Spitzer detects comet storm in nearby solar system
(PhysOrg.com) -- NASA's Spitzer Space Telescope has detected signs of icy bodies raining down in an alien solar system. The downpour resembles our own solar system several billion years ago during a period ...
Mexican astronomers suggest Bonilla sighting might have been a very close comet breaking up
First comet found with ocean-like water: New clues to creation of Earth's oceans
(PhysOrg.com) -- New evidence supports the theory that comets delivered a significant portion of Earth's oceans, which scientists believe formed about 8 million years after the planet itself.
Latest EPOXI findings on Comet Hartley 2 published
Comet Hartley 2, is in a hyperactive class of its own compared to other comets visited by spacecraft, says a University of Maryland-led study published in the June 17 issue of the journal Science.