AmericaSpace Launch Countdown

Next Launch TMA-15M on a Soyuz-FG rocket from Baikonur Cosmodrome, Kazakhstan
scheduled for:
23 Nov 14 21:01:00 GMT
24 Nov 14 3:01:00 ALMT
23 Nov 14 16:01:00 Eastern

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Surprisingly Bright Cloud Systems and Extreme Storms on Uranus Puzzle Astronomers

Infrared images of Uranus at wavelengths of 1.6 (left) and 2.2 microns (right), that were obtained on Aug. 6, with the Adaptive Optics system on the 10-meter Keck II telescope on Mauna Kea in Hawaii. The white spot is an extremely large storm that was brighter than any feature ever recorded on the planet […]

Hot 'Super-Earths' Provide Clues to Water in Exoplanet Atmospheres

Artist’s conception of super-Earth 55 Cancri e, one of the few exoplanets so far which astronomers are able to study the atmosphere of. Image Credit: NASA/JPL-Caltech

Some of the most interesting exoplanets discovered so far are the “super-Earths,” rocky worlds which are significantly larger and more massive than Earth but still smaller than the […]

Construction Site Ahead: Hubble Observes Planet-Forming Circumstellar Dust Disks in Great Detail

A set of high-resolution images of the vast circumstellar debris disks around 11 nearby young stars, which were obtained with the Hubble Space Telescope, have helped astronomers to study their complex and dynamic structure for the first time in great detail. This visible-light survey, called HST/GO 12228, was done with Hubble’s Space Telescope Imaging Spectrograph (STIS), […]

TESS Exoplanet-Hunting Space Telescope Ready for Development

Artist’s conception of the Transiting Exoplanet Survey Satellite (TESS). Image Credit: MIT

The search for exoplanets is about to enter an exciting new phase, as the Transiting Exoplanet Survey Satellite (TESS) mission has now been cleared for development by NASA. TESS will greatly expand the number of stars being observed for evidence of exoplanets […]

Super-Hot Venus May Have Heavy Metal Frost

Radar image of bright areas and dark patches in a swath of terrain in Ovda Regio going from lower to higher elevations. Image Credit: The Geological Society of America/Elise Harrington, Simon Fraser Univ. (LPI undergraduate intern)/Allan Treiman, LPI.

Venus is one of the most inhospitable places in the Solar System, with temperatures hot enough […]

MESSENGER Takes First Images of Ice Near Mercury's North Pole

Wide-Angle Camera (WAC) image of Kandinsky crater, near Mercury’s north pole, which contains water ice. The original broadband image is on the left (outlined in yellow), and the brightness and contrast-enhanced version is on the right. Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

The Solar System is full of surprises. […]

New Uranus-Like 'Ice Giant' Exoplanet Discovered

Artist’s conception of an ice giant type exoplanet. Image Credit: NASA/ESA/G. Bacon (STScI)

Many different kinds of exoplanets have been found by astronomers, from giant “hot Jupiters” and “super Earths” to smaller rocky worlds like Earth or Mars. Now, another type has been discovered, an “ice giant” similar to Uranus or Neptune in our […]

Astronomers Create Most Detailed Weather Map Yet of an Exoplanet

Graphic depicting how WASP-43b orbits its star, always keeping the same hemisphere facing the star, much like how the Moon always keeps the same hemisphere facing the Earth. Image Credit: NASA, ESA, and Z. Levay (STScI)

Being able to find exoplanets orbiting distant stars is a major accomplishment in itself, and fine-tuning the data […]

Giant Cloud at Titan's South Pole Is Toxic and Freezing Cold

View from Cassini of the huge polar vortex cloud over Titan’s south pole. Image Credit: NASA/JPL-Caltech/ASI/University of Arizona/SSI/Leiden Observatory and SRON

Titan is the only moon in the Solar System known to have a dense atmosphere, and while similar to Earth’s atmosphere in some ways, such as being rich in nitrogen, it also holds […]

New Study Points to Alternative Origin for the 'Man in the Moon'

Oceanus Procellarum, or Ocean of Storms, an expansive flat basaltic basin that covers approximately 17 percent of the Moon’s near side, is surrounded by a series of linear gravitational anomalies (shown in red), as revealed by NASA’s GRAIL spacecraft. These anomalies indicate that the large basin was formed by volcanic processes rather than an […]