Scientists at the University of Arizona have discovered what might be the closest thing to "baby photos" of our solar system. A young star called HD 95086 is found to have two dust belts, analogous to the asteroid and Kuiper ...
Astronomy
Nov 10, 2014
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The chronic drought that hit western North America from 2000 to 2004 left dying forests and depleted river basins in its wake and was the strongest in 800 years, scientists have concluded, but they say those conditions will ...
Environment
Jul 29, 2012
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(Phys.org) —The Kepler team today reports on four years of observations from the W. M. Keck Observatory targeting Kepler's exoplanet systems, announcing results this week at the American Astronomical Society meeting in ...
Astronomy
Jan 10, 2014
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In the early solar system, terrestrial planets like Mercury, Venus, Earth and Mars are thought to have formed from planetesimals, small early planets. These early planets grew over time, through collisions and mergers, to ...
Astronomy
Sep 1, 2021
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531
The continent of Antarctica is at risk from human activities and other forces, and environmental management is needed to protect the planet's last great wilderness area, says an international team of researchers, including ...
Environment
Jul 12, 2012
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1
Most planetary systems found by astronomers so far are quite different than our own. Many have giant planets whizzing around in a compact configuration, very close to their star. An extreme case in point is a newly found ...
Astronomy
Oct 16, 2012
7
1
When the carbon dioxide content of the atmosphere rises, the Earth not only heats up, but extreme weather events, such as lengthy droughts, heat waves, heavy rain and violent storms, may become more frequent. Whether these ...
Earth Sciences
Aug 14, 2013
3
0
A Griffith-led study has assessed whether basic human water needs can be met without exceeding safe and just Earth system boundaries (ESBs) for surface and groundwater (blue water), defined to protect people and planet.
Earth Sciences
Nov 29, 2023
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100
The vast quantity of planets and planetary candidates identified by NASA's Kepler spacecraft has revealed an array of systems. Some have Jupiter-sized planets close to the Sun, while others show only a handful of planets. ...
Astronomy
Jun 8, 2015
7
81
Trying to piece together the appearance of life on Earth is a little like looking through a kaleidoscope. There are competing theories for where Earth's water came from, and there's incomplete evidence for how the moon formed ...
Astronomy
Feb 10, 2022
0
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