Scientists re-create what may be life's first spark
Scientists in a lab used a powerful laser to re-create what might have been the original spark of life on Earth.
Biochemistry
Dec 8, 2014
20
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News tagged with terrestrial life
A stepping-stone for oxygen on Earth: Researchers find evidence of an early manganese-oxidizing photosystem
(Phys.org) —For most terrestrial life on Earth, oxygen is necessary for survival. But the planet's atmosphere did not always contain this life-sustaining substance, and one of science's greatest mysteries is how and when ...
Earth Sciences
Jun 26, 2013
0
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Cassini suggests icing on a Titan lake
(Phys.org)—It's not exactly icing on a cake, but it could be icing on a lake. A new paper by scientists on NASA's Cassini mission finds that blocks of hydrocarbon ice might decorate the surface of existing lakes and seas ...
Space Exploration
Jan 8, 2013
6
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Search for life suggests solar systems more habitable than ours
(Phys.org)—Scattered around the Milky Way are stars that resemble our own sun—but a new study is finding that any planets orbiting those stars may very well be hotter and more dynamic than Earth.
Astronomy
Dec 3, 2012
44
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Meteorite holds clues to organic chemistry of the early Earth: study
(PhysOrg.com) -- Carbonaceous chondrites are a type of organic-rich meteorite that contain samples of the materials that took part in the creation of our planets nearly 4.6 billion years ago, including materials that were ...
Space Exploration
Jun 9, 2011
1
2
Report casts world's rivers in 'crisis state'
(PhysOrg.com) -- The world's rivers, the single largest renewable water resource for humans and a crucible of aquatic biodiversity, are in a crisis of ominous proportions, according to a new global analysis.
Environment
Sep 29, 2010
0
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Professor: We have a 'moral obligation' to seed universe with life
(PhysOrg.com) -- Eventually, the day will come when life on Earth ends. Whether that’s tomorrow or five billion years from now, whether by nuclear war, climate change, or the Sun burning up its fuel, the last living cell ...
How animal traits have shaped the journey of species across the globe
The devastating tsunami that hit Japan in March 2011 set off a series of events which have long fascinated scientists like me. It was so powerful that it caused 5 million tons of debris to wash into the Pacific—1.5 million ...
Plants & Animals
Oct 18, 2023
0
10
Humans found to prey on approximately one-third of all vertebrate species
An international team of ecologists, life scientists, conservationists and biologists has found that humans prey on approximately one-third of all vertebrate species in existence. In their study, reported in the journal Communications ...
Scientists sound alarm as ocean temperatures hit new record
The world's oceans, which have absorbed most of the excess heat caused by humanity's carbon pollution, continued to see record-breaking temperatures last year, according to research published Wednesday.
Earth Sciences
Jan 11, 2023
11
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