News Feeds

Sifting Through the Atmospheres of Far-Off Worlds Wednesday, 15 May 2013, 4:00 am
Using infrared pictures from ground-based telescopes, astronomers have collected precise information about the composition of four planets orbiting a bright star. The technique is one of many methods
Kepler Mission Down But Not Yet Out Wednesday, 15 May 2013, 4:00 am
Scientists involved in NASA s Kepler mission reported today that the telescope is in safe mode and no longer able to make observations. While not officially “dead,” this may be the end of the road
Dead Stars Polluted with Planet Debris Tuesday, 14 May 2013, 4:00 am
Astronomers have found the building blocks for Earth-sized planets in the atmospheres of burned-out stars. The pair of white dwarfs is being polluted by asteroid-like debris.
The Great Exoplanet Debate, part 10: The Last Word in Exoplanets Monday, 13 May 2013, 4:00 am
At a recent NASA conference, a panel of exoplanet scientists held a lively discussion about some of the most important issues facing the search for and understanding of planets orbiting far-distant st

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Fierce Winds Seen in Neptune and Uranus Jet Stream Wednesday, 15 May 2013, 5:05 pm
In news that’s sure to delight young boys everywhere, scientists now have a better grasp on the impressive winds of Uranus. Neptune too. In a Nature study published today astronomers find that the m. […]
Hubble Finds Hunks of Planet Orbiting Dead Stars Thursday, 9 May 2013, 8:35 pm
Pollution is a growing concern here on Earth, but in a nearby star cluster pollution is actually proving pretty useful. Astronomers analyzing Hubble data have found that a pair of white dwarfs — the. […]
Physicists Show Time Flows Asymmetrically at the Electron Level Monday, 6 May 2013, 9:00 pm
Direct evidence of time reversal had been considered impossible — until now.
Your Biggest Cosmic Questions, Answered (Part 1) Wednesday, 1 May 2013, 8:36 pm
Fifteen years ago, a small cabal of researchers took some of the most firmly held notions about how the universe works and turned them on their head. Until then, everyone was sure that the expanding u. […]

NASA’s Planetary Science Budget Reportedly to be Hit — Again Wednesday, 15 May 2013, 5:09 pm
The sequester will hit NASA again, with large reported cuts to the Planetary Science program. NASA’s managers have stated for several months that further cuts to the planetary program were likely. �. […]
ISIS: Blasting a Crater on Asteroid Bennu Monday, 13 May 2013, 2:15 am
NASA’s OSIRIS- REx asteroid mission may get much more exciting thanks to an innovative proposal from a group led by Steve Chesley at the Jet Propulsion Laboratory. The main goal of the OSIRIS-REx. […]
Europa Clipper Update Monday, 6 May 2013, 10:10 pm
Planetary geologist Philip Horzempa returns with a new post giving an update on the proposed Europa Clipper mission. ———————-President Obama’s recently released FY2014 budget propos. […]
Reactions to the Budget Proposal Wednesday, 24 April 2013, 4:38 pm
The future of NASA’s planetary science for the next decade will be decided here on Earth in the offices of the President’s administrators and Congress. It takes five years to conceive, develop,. […]

The Frozen Earth Saturday, 20 April 2013, 10:28 pm
More than a decade ago, Fred Adams and I wrote a paper that wallowed into the slow motion disasters that can potentially unfold if another star or stars passes through the solar system. Here’s the a. […]
Monday, 8 April 2013, 1:16 am
This was no fruit of such worlds and suns as shine on the telescopes and photographic plates of our observatories. This was no breath from the skies whose motions and dimensions our astronomers measur. […]
The Tau Ceti Five Monday, 31 December 2012, 9:24 pm
Tau Ceti has street cred. Lying only 11.9 light years away, it is the second-closest single G-type star. It’s older than the Sun, and photometrically quiet. It’s naked-eye visible from both hemisp. […]
The MMEN Saturday, 10 November 2012, 2:42 pm
Galileo’s unveiling of Io, Europa, Ganymede and Callisto is unarguably shortlisted for the most important astronomical discovery of all time. The Galilean satellites constitute a planetary system in. […]