Massive meteorites likely slammed into a Martian ocean billions of years ago, unleashing tsunami waves up to 120 meters tall, a close study of a region of the Red Planet's terrain has found.
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Comet with Stunted Tail Hints at How Solar System Formed
Finding out whether just a few or many of this newfound type of rocky object roam deep space should help scientists sort among contrasting scenarios of the solar system's infancy.
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Scientists Find Dead Lightning Branches That Come Back to Life
The detached bursts of brilliance might explain why the lowest point of a lightning bolt will sometimes suddenly brighten by up to 50% and double its speed as it hurtles to Earth.
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Aging Stars Make New Habitable Zones
Scientists searching for life in the universe now have a new target: the once-icy worlds orbiting red giants.
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Robert L. "Bob" Carovillano (1932–2015)
As a theoretical physicist, he contributed strongly to magnetospheric and space physics since the 1960s, both in research and as a program leader at Boston College and NASA.
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High Energy Growth, Fossil Fuel Dependence Forecast Through 2040
By then, coal, natural gas, and renewables each will contribute about 30% of global net electricity, new report predicts.
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Largest Haul of Newly Verified Exoplanets Announced
About 550 of the planets could be rocky like the Earth, and nine of the planets orbit within their star's habitable zone.
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Gore Upbeat on Climate Stabilizing; Question Is, How Soon?
Former U.S. vice president says that responding to climate change "is the biggest business opportunity in the history of the world."
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Scientist Credibility Unhurt by Climate Advocacy, Study Suggests
In a social science experiment, a fictitious meteorologist who advocates climate policy stances retains credibility among test subjects.
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Undersea Data Tie Slow Fault Slip to Tsunami-Causing Quakes
Slow events might help scientists better understand when and why tsunami-generating earthquakes occur.