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How Old Is the Solar System, and How Did It Form?
Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...
Solar Breakthrough: Scientists Redefine the Sun’s Elemental Blueprint
Solar and cosmochemical data indicate high levels of carbon, nitrogen, and oxygen in the Sun. Researchers have unveiled a new ...
The Day10h
Millstone explores possibility of smaller-scale nuclear reactors
At Holtec International’s manufacturing facility in Camden, N.J., welders work to seal stainless steel canisters that will be ...
NASA’s only visit to Uranus happened during a rare cosmic occurrence
This week, revisit what you know about Uranus, explore the far side of the moon, rediscover the famed fossil known as Lucy, ...
A Giant Leap for Astronomy: Telescope for NASA’s Roman Mission Complete
NASA's Roman Space Telescope has received its Optical Telescope Assembly, paving the way for its mission to explore the ...