Scientific American - Space and Physics

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Earth's Tectonic Activity May Be Crucial for Life -- and Rare in Our Galaxy

Thu, 07/20/2017 - 03:45
A new study finds plate tectonics may be hard to sustain on exoplanets

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Categories: Astronomy Headlines

Stellar Winds Could Be Bad News for Life on TRAPPIST-1 Planets

Wed, 07/19/2017 - 12:00
Two new studies suggest the system’s potentially habitable planets could have lost their atmospheres long ago

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Categories: Astronomy Headlines

No Evidence for Past Martian Civilization, Scientists Tell Congress

Wed, 07/19/2017 - 10:00
Congressman Dana Rohrabacher asks about ancient aliens during a routine hearing

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Categories: Astronomy Headlines

Space Stations: Archaeological Sites in Low-Earth Orbit

Wed, 07/19/2017 - 04:30
Fresh insights are emerging from studying the ‘microsociety’ aboard the International Space Station

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Categories: Astronomy Headlines

Super-Earths May Explain Curious Gaps in Planet-Forming Disks

Tue, 07/18/2017 - 10:00
New study suggests the middleweight worlds can create delicate ring-like features around other stars

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Categories: Astronomy Headlines

Astronomers Detect Strange Signals from Red Dwarf Star

Tue, 07/18/2017 - 09:00
The radio bursts are tantalizing, but probably not transmissions from talkative aliens

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Categories: Astronomy Headlines

White House Selects Leadership for National Space Council

Fri, 07/14/2017 - 14:15
 Scott Pace, the director of the Space Policy Institute at George Washington University, will be the Council’s executive secretary

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Categories: Astronomy Headlines

Juno Delivers Stunning New Views of Great Red Spot

Thu, 07/13/2017 - 12:00
Scientists and the public are dazzled by images from the spacecraft’s close encounter with Jupiter’s largest—and the solar system’s most famous—storm

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Categories: Astronomy Headlines

A Close-up of Jupiter's Great Red Spot

Thu, 07/13/2017 - 10:00
New photos were just released from Juno’s most recent fly-by over the enormous storm raging on Jupiter.

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Categories: Astronomy Headlines

Fuzzy Fibers Could Help Rockets Take the Heat

Thu, 07/13/2017 - 06:00
The Velcro-like threads could help tomorrow’s spacecraft engines reach Mars or beyond

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Categories: Astronomy Headlines

Sweating the Small Stuff: CubeSats Swarm Earth Orbit

Wed, 07/12/2017 - 03:45
A boom in nanosatellites could revolutionize space science and industry, but also dramatically increase the hazards of space junk

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Categories: Astronomy Headlines

Why Researchers Need Better Space Dirt

Mon, 07/10/2017 - 08:15
Lax standards for lunar, Martian and asteroidal soil simulants are stymying planetary science

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Categories: Astronomy Headlines

Astrobiology Roundup: Planet Nine, Planet 8.1 and Sweaty Skin

Sun, 07/09/2017 - 08:00
Planets in the outer solar system and terrestrial microbes in unexpected places

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Categories: Astronomy Headlines

Pence Calls for "New Era of Space Exploration" at NASA

Fri, 07/07/2017 - 09:00
The Vice President spoke of a return to the Moon and human missions to Mars, but offered few further details

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Categories: Astronomy Headlines

Toxic Compounds May Sterilize Martian Soil

Fri, 07/07/2017 - 08:15
Microbes could be killed off by perchlorates exposed to ultraviolet radiation on the planet’s surface

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Categories: Astronomy Headlines

Is Dark Matter Made of Black Holes?

Wed, 07/05/2017 - 06:00
A hidden population of black holes born less than one second after the big bang could solve the mystery of dark matter

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Categories: Astronomy Headlines

Complex Life: Wimpy or Tough?

Sun, 07/02/2017 - 12:00
Complex life may be less resilient than microbial life by some measures, but it's not necessarily cosmically delicate

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Categories: Astronomy Headlines

NASA Seeks Nuclear Power for Mars

Fri, 06/30/2017 - 08:15
 After a half-century hiatus, the agency is reviving its reactor development with a test later this summer

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Categories: Astronomy Headlines

The Case for Cosmic Modesty

Wed, 06/28/2017 - 11:00
If we want to find life elsewhere, we should search for it in all of its possible forms

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Categories: Astronomy Headlines

Success of Gravity-Wave Satellite Paves Way for Three-Craft Mission

Tue, 06/27/2017 - 07:45
Technology far exceeded expectations in LISA Pathfinder test

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Categories: Astronomy Headlines

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