When the dinosaurs became extinct, plenty of small bird-like dinosaurs disappeared along with giants like Tyrannosaurus and Triceratops. Why only some of them survived to become modern-day birds remains a mystery. Now, researchers ...
Archaeology
Apr 21, 2016
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909
(PhysOrg.com) -- An Australian scientist studying photographs of fireballs, UFO sightings and a report of a strange green light in the sky suggests some UFOs may be ball lightning caused by fireball meteors.
This year's Leonid meteor shower peaks on Tuesday, Nov. 17th. If forecasters are correct, the shower should produce a mild but pretty sprinkling of meteors over North America followed by a more intense outburst over Asia. ...
Space Exploration
Nov 10, 2009
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The Draconid meteor shower is expected to produce unusually high peak meteor rates of 1,000 per hour on October 8, 2011.
Space Exploration
Jun 1, 2011
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There's something wonderful about sitting under the night sky, watching a meteor shower play out overhead. However, observers in the southern hemisphere usually get the short end of the stick, with most of the best showers ...
Astronomy
May 4, 2022
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A bright spiralling light, believed by astronomers to be a rocket launched from Cape Canaveral, was spotted in skies across Australia's east coast just before dawn Saturday, sparking a UFO frenzy.
Space Exploration
Jun 5, 2010
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We live on a moving target in a cosmic firing range. Each day, the Earth is bombarded by about a hundred tonnes of space debris. It may sound alarming, but this is really nothing to worry about. Most of the objects that fall ...
Space Exploration
Feb 26, 2016
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56
Science may have enabled us to travel in space and trace the history of the entire universe, but it has not yet been able to answer exactly how and when life first arose on our planet. Traditionally, scientists have used ...
Evolution
Aug 21, 2018
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86
(PhysOrg.com) -- It's time once again for nature to put on its late-summer fireworks show: the Perseid meteor shower. This year's best viewing will be before dawn on Aug. 12, with a second chance after sunset that night, ...
Space Exploration
Aug 7, 2009
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0
Nitriles, a class of organic molecules with a cyano group—that is, a carbon atom bound with a triple unsaturated bond to a nitrogen atom—are typically toxic. But paradoxically, they are also a key precursor for molecules ...
Astronomy
Jul 8, 2022
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