Even the smallest organism can have a major influence on the evolution of life on Earth. Microscopic algae that inhabit the sunlit waters of the ocean surface are not only responsible for about half of the photosynthesis ...
Plants & Animals
Apr 26, 2022
0
80
Since 2006, when NASA's Stardust spacecraft delivered its aerogel and aluminum foil dust collectors to Earth, a team of scientists has combed through the collectors in search of rare, microscopic particles of interstellar ...
Space Exploration
Aug 14, 2014
2
0
Highlighting an important but unexplored area of evolution, scientists at The Scripps Research Institute (TSRI) have found evidence that, over hundreds of millions of years, an essential protein has evolved chiefly by changing ...
Cell & Microbiology
Sep 29, 2013
0
0
For millions of years after the Big Bang, there were no stars, or even galaxies to contain stars. During these "Cosmic Dark Ages," neutral hydrogen gas dominated the universe. When clouds of primordial hydrogen gas started ...
Astronomy
Sep 2, 2013
23
0
In the marshlands of the southeast United States, the periwinkle snail is among the most abundant grazing species. "You can look out at high tide and see them everywhere, climbing up on the grasses," said Randall Hughes, ...
Plants & Animals
Aug 15, 2013
0
0
This weekend, as millions of people gaze up at the stars and wait for Perseid meteors to streak across the sky, one would hardly think that these awe-inspiring "shooting stars" are also a source of atmospheric pollution.
Space Exploration
Aug 9, 2013
0
0
The idea that there is life on other worlds is humbling and exciting, and finding life on another world would change everything. This has been a driving force for scientists for decades. We find life wherever we find water ...
Space Exploration
Jul 31, 2013
1
1
Two Washington State University researchers say environmental restrictions have become unnecessarily restrictive and expensive—on Mars.
Space Exploration
Jun 27, 2013
14
0
(Phys.org) —Scientists may not know for certain whether life exists in outer space, but new research from a team of scientists led by a University of South Florida astrobiologist now shows that one key element that produced ...
Earth Sciences
Jun 4, 2013
18
2
Astronomers from the University of Antioquia have discovered a graveyard of comets. These once-dormant comets, dubbed by astronomers as "The Lazarus comets," are now rejuvenated.
Space Exploration
May 24, 2013
2
0
