(Phys.org)—A group of US researchers studying some of the oldest rocks in the world in the Pilbara region of Western Australia, say they have found the oldest traces of life on Earth, dated at 3.49 billion years old.
A NASA scientist's claim that he found tiny fossils of alien life in the remnants of a meteorite has stirred both excitement and skepticism, and is being closely reviewed by 100 experts.
Space Exploration
Mar 6, 2011
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Striking evidence has emerged that an ancient virus previously known only from fossil evidence has persistently infected some humans at very low levels for hundreds of thousands or even millions of years. This ancient retrovirus ...
Biotechnology
Apr 4, 2016
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Japanese marine researchers said Tuesday they had found and successfully filmed a young coelacanth -- a rare type of fish known as "a living fossil" -- in deep water off Indonesia.
Plants & Animals
Nov 17, 2009
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(PhysOrg.com) -- A team led by UCLA research astronomer Michael Rich has used a unique telescope to discover a previously unknown companion to the nearby galaxy NGC 4449, which is some 12.5 million light years from Earth. ...
Astronomy
Feb 8, 2012
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(Phys.org)—Researchers in New Zealand have found that the pygmy right whale (Caperea marginata) is not a right whale at all but is instead a member of the cetotheres family of baleen whales, which until now have been believed ...
A new study has uncovered a new thalattosuchian—an ancient 'sister' of modern-day crocodiles' ancestors.
Evolution
Jan 31, 2023
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Dinosaurs were the largest animals to ever walk Earth, and they ruled the planet for more than 160 million years. The long-necked Argentinosaurus, with back vertebrae almost two metres high, possibly grew to 30 metres long ...
Archaeology
Jul 16, 2013
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(PhysOrg.com) -- About 580 million years ago, life on Earth began a rapid period of change called the Cambrian Explosion, a period defined by the birth of new life forms over many millions of years that ultimately helped ...
Biotechnology
Dec 19, 2010
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A new study of giant viruses supports the idea that viruses are ancient living organisms and not inanimate molecular remnants run amok, as some scientists have argued. The study reshapes the universal family tree, adding ...
Evolution
Sep 13, 2012
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