The next generation of powerful Earth- and space-based telescopes will be able to hunt distant solar systems for evidence of life on Earth-like exoplanets—particularly those that chaperone burned-out stars known as white ...
Astronomy
Apr 30, 2020
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A huge asteroid that wiped out the dinosaurs may not have been the only cosmic event to cause mass extinctions or change Earth's climate. Tiny minerals leftover from many smaller meteorites could provide the geological evidence ...
Space Exploration
Sep 12, 2013
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Long before plants and animals inhabited the earth, when life consisted of single-celled organisms afloat in a planet-wide sea, bacteria invaded these organisms and took up permanent residence. One bacterium eventually became ...
Cell & Microbiology
Jun 19, 2013
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(Phys.org) —The NASA/ESA Hubble Space Telescope has found signs of Earth-like planets in an unlikely place: the atmospheres of a pair of burnt-out stars in a nearby star cluster. The white dwarf stars are being polluted ...
Astronomy
May 9, 2013
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Forensic scientists on Thursday announced they had delved into the embalmed heart of Richard the Lionheart, finding chemical evidence that the remains of England's Crusader king were handled with holy reverence.
Archaeology
Feb 28, 2013
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A painstakingly detailed investigation shows that mass extinctions need not be sudden events. The deadliest mass extinction of all took a long time to kill 90 percent of Earth's marine life, and it killed in stages, according ...
Earth Sciences
Feb 3, 2012
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1
More than 251 million years ago, at the end of the Permian period, Earth almost became a lifeless planet. Around 90 percent of all living species disappeared then, in what scientists have called "The Great Dying."
Earth Sciences
Oct 28, 2010
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1
(PhysOrg.com) -- Scientists have gained new insight into the makeup of ancient meteorites called Carbonaceous Chondrites, in research published in the October edition of the journal Earth Science and Planetary Letters.
Astronomy
Nov 12, 2009
1
0
Hundreds of thousands of stars are contained in this picture, an infrared image of Sagittarius C, a region near the center of the Milky Way. Taken with ESO's Very Large Telescope (VLT) in the Chilean Atacama Desert, this ...
Astronomy
Feb 13, 2024
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Plastic pollution is a menace worldwide. Plastics are now found in every environment on the planet, from the deepest seas to the atmosphere and human bodies.
Environment
Jan 17, 2024
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