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Scientists improve brown dwarf weather forecasts

Dim objects called brown dwarfs, less massive than the sun but more massive than Jupiter, have powerful winds and clouds–specifically, hot patchy clouds made of iron droplets and silicate dust. Scientists recently realized these giant clouds can move and thicken or thin surprisingly rapidly, in less than an Earth day, but did not understand why.

Large asteroid to safely pass earth on September 1

Asteroid Florence, a large near-Earth asteroid, will pass safely by Earth on Sept. 1, 2017, at a distance of about 4.4 million miles, (7.0 million kilometers, or about 18 Earth-Moon distances). Florence is among the largest near-Earth...Show More Summary

Facts about the US solar eclipse on August 21

On Monday, August 21, for the first time in 99 years, a total solar eclipse will march across the entire United States.

Of demons and dragons - the history of solar eclipses

A dragon eating the Sun. Make that a giant toad. A demon. No, a vampire!

First eclipse in 99 years to sweep North America

The first total solar eclipse to sweep North America in nearly a century will march across the continent August 21, casting a shadow over millions of people from coast to coast.

Grand Teton park to outshine bigger Yellowstone for eclipse

Its jagged, soaring peaks rise high over northwest Wyoming, but Grand Teton National Park is always in the shadow of its world-renowned neighbor, Yellowstone National Park.

How Nasa's Voyager spacecraft changed the face of UK science

Although almost exclusively American, the 40-year-old Nasa Voyager spacecraft helped raise the ambitions of the UK’s planetary astronomers The rasp of the filling cabinet’s shutter fills the office, and my guest comes face to face with his past. Show More Summary

Celebrating the 40th anniversaries of the Voyager launches

Sunday, August 20 marks the 40th anniversary of the launch of Voyager 2. Tuesday, September 5, will be the 40th anniversary for Voyager 1. Throughout the next three weeks, we'll be posting new and classic material in honor of the Voyagers. Here's a preview.

Speedy white dwarf may have survived a rare type of supernova

Type Iax supernovae are weak enough that part of the exploding star may be able to survive. Now, we may have spotted the first star that lived to tell the tale

An unusual white dwarf may be a supernova leftover

(American Association for the Advancement of Science) Astronomers have identified a white dwarf star in our galaxy that may be the leftover remains of a recently discovered type of supernova.

Spacewalking cosmonauts release 3-D-printed satellite

Spacewalking cosmonauts have set free the world's first satellite made with a 3-D printer.

Astrophysicists Predict Earth-Like Alien World in Star System Only 16 Light Years Away

Astrophysicists predict that an Earth-like planet may be lurking in a star system just 16 light years away. The team investigated the star system Gliese 832 for additional exoplanets residing between the two currently known alien worlds in this system....        

Art Review: How Do You Paint an Eclipse? Work Fast in the Dark

In 1918, astronomers invited the artist Howard Russell Butler to record the last total solar eclipse to cross the continental United States.

NASA's Mars 2020 Mission Ups the Ante --"Techniques and Landing Sites Modeled After Searches for Ancient Biosignatures of Life on Earth"

Will NASA discover signs of ancient life at one of the largest and oldest impact craters in the Solar System? "Mars 2020 represents a crucial first step towards a possible Mars sample return," said Ken Williford, Director of the Jet...        

UTA astrophysicists predict Earth-like planet in star system only 16 light years away

(University of Texas at Arlington) Astrophysicists at the University of Texas at Arlington have predicted that an Earth-like planet may be lurking in a star system just 16 light years away. The team investigated the star system Gliese 832 for additional exoplanets residing between the two currently known alien worlds in this system. Show More Summary

ESA’s Proba-3 will create artificial solar eclipses

Astrophysicists are joining sightseers in watching Monday’s total solar eclipse across North America but, in the decade to come, they will be viewing eclipses that last for hours instead of a few minutes – thanks to a pioneering ESA space mission.

Sentinel-1 speeds up crop insurance payouts

For the first time in India, a state government is using satellites to assess lost crops so that farmers can benefit from speedy insurance payouts.

Closer look at red supergiant Antares suggests convection not enough to remove surface material

(Phys.org)—A trio of researchers with Universidad Católica del Norte and the Max-Planck-Institut für Radioastronomie has found evidence that suggests that convection alone cannot account for the amount of material that is pulled from the surface of a red supergiant. Show More Summary

NASA's ICESat-2 preps for laser tests

Lasers that will fly on NASA's Ice, Cloud and land Elevation Satellite-2, or ICESat-2, are about to be put to the test at the agency's Goddard Space Flight Center in Greenbelt, Maryland.

Image: Space station flight over the Bahamas

One of the most recognizable points on the Earth for astronauts to photograph is the Bahamas, captured in striking images many times from the vantage point of the International Space Station.

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