Scientific American - Space and Physics

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Who Will Build the World's First Commercial Space Station?

Fri, 05/26/2017 - 04:15
A start-up aims to add new construction to the International Space Station to prep for a private sector orbital outpost

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Categories: Astronomy Headlines

Juno Reveals Jupiter's Deep Secrets

Thu, 05/25/2017 - 11:45
Plumes of ammonia and quirky magnetic fields are among the surprises from the spacecraft’s first science results

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Categories: Astronomy Headlines

Newly Found Exoplanet May Have Ring System Dwarfing Saturn's

Thu, 05/25/2017 - 04:00
If confirmed, the  world’s rings would be some 200 times wider than Saturn’s and could reveal clues to our solar system’s early history

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Categories: Astronomy Headlines

Celestial Harmonies Pin Down Orbit of Exoplanet TRAPPIST-1h

Tue, 05/23/2017 - 09:00
Orbital resonances reveal that the Earth-size world circles its star every 19 days

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Categories: Astronomy Headlines

Rare Supernovae May Solve 40-Year-Old Antimatter Mystery

Mon, 05/22/2017 - 13:00
Most of the Milky Way’s antimatter may come from the explosive collisions of white dwarf stars

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Categories: Astronomy Headlines

Unexplained Light Curves

Mon, 05/22/2017 - 12:00
Boyajian’s star is dimming again. This graphic shows why that’s weird.

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Categories: Astronomy Headlines

NASA Calls for Europa Mission Instrument Ideas

Sun, 05/21/2017 - 08:00
Researchers should begin planning instruments to go on a potential life-hunting lander mission to Jupiter's ocean-harboring moon Europa, the space agency said

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Categories: Astronomy Headlines

Exocomets Light Up 100 Billion Kilometers of Space

Sat, 05/20/2017 - 06:00
A remarkable new image reveals the teething pains of an entire planetary system

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Categories: Astronomy Headlines

"Snow White" the Dwarf Planet Has Its Own Moon

Sat, 05/20/2017 - 05:30
Astronomers have found a moon orbiting the third-largest dwarf planet in our solar system

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Categories: Astronomy Headlines

Bizarre Star Dims Again, and Astronomers Scramble to Catch It in the Act

Sat, 05/20/2017 - 03:45
A new observing campaign aims to understand a star that some have suggested might even host an alien civilization

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Categories: Astronomy Headlines

Mysterious Flashes on Satellite Images of Earth Explained

Fri, 05/19/2017 - 07:00
Bright spots of light over land could help in the search for Earth-like exoplanets 

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Categories: Astronomy Headlines

Kickstarter Project Seeks to Resurrect Pioneer Plaques

Wed, 05/17/2017 - 11:00
The crowdsourced effort intends to build replicas of the famed "galactic greeting cards," which are traveling out of the solar system on the Pioneer 10 and 11 space probes

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Categories: Astronomy Headlines

Large Impacts May Cause Volcanic Eruptions

Tue, 05/16/2017 - 16:04
Really big meteorite or asteroid strikes may cause melting and deep deformations that eventually lead to volcanic eruptions.  

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Categories: Astronomy Headlines

Can Quantum Mechanics Save the Cosmic Multiverse?

Tue, 05/16/2017 - 06:15
A surprising connection between cosmology and quantum mechanics could unveil the secrets of space and time

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Categories: Astronomy Headlines

Astronomers Find Water and Weird Clouds on Extrasolar "Warm Neptune"

Sat, 05/13/2017 - 06:00
Two space telescopes reveal the distant exoplanet HAT-P-26b has an atmosphere rich with hydrogen, helium and water vapor

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Categories: Astronomy Headlines

The Sneaky Danger of Space Dust

Thu, 05/11/2017 - 16:40
When tiny particles of space debris slam into satellites, the collision could cause the emission of hardware-frying radiation. Christopher Intagliata reports. 

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Categories: Astronomy Headlines

Ghana Telescope Heralds First Pan-African Array

Wed, 05/10/2017 - 05:00
By converting a defunct communications dish, astronomers are breaking ground on Earth and beyond

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Categories: Astronomy Headlines

A Cosmic Controversy

Wed, 05/10/2017 - 04:00
A Scientific American article about the theory of inflation prompted a reply from a group of 33 physicists, along with a response from the article’s authors

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Categories: Astronomy Headlines

Could "Planetary Protection" Scuttle Otherworldly Exploration?

Tue, 05/09/2017 - 12:00
Scientists are grappling with the problem of biological cross-contamination between Earth and other worlds

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Categories: Astronomy Headlines

Scientists Push to Orbit Pluto

Tue, 05/09/2017 - 09:30
After New Horizons’ 2015 encounter with the dwarf planet, researchers are hoping to go back—to stay

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Categories: Astronomy Headlines

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