In Ganymede s Shadow
At opposition, opposite the Sun in Earth’s sky, late last month Jupiter is also approaching perihelion, the closest […]
Science
NGC 4631: The Whale Galaxy
NGC 4631 is a big beautiful spiral galaxy. Seen edge-on, it lies only 25 million light-years away in […]
Nobel Prize in Chemistry Is Awarded to 3 Scientists for ...
Carolyn R. Bertozzi, Morten Meldal and K. Barry Sharpless were honored for their advances in “click chemistry,” which […]
Hidden in 54 Corpses, a Revelation About Ancient Greece by ...
DNA from a 2,500-year-old battlefield in Sicily reveals that mercenary soldiers were common, if not the Homeric ideal. […]
Expanding Plume from DARTs Impact
What happens if you crash a spaceship into an asteroid? In the case of NASA‘s DART spaceship and […]
Nobel Prize in Physics Is Awarded to 3 Scientists for ...
Alain Aspect, John F. Clauser and Anton Zeilinger were recognized for their experiments in an area that has […]
Star Forming Eagle Nebula without Stars
The whole thing looks like an eagle. A closer look at the Eagle Nebula‘s center, however, shows the […]
Jupiters Europa from Spacecraft Juno
What mysteries might be solved by peering into this crystal ball? In this case, the ball is actually […]
Supernova Cannon Expels Pulsar J0002
What could shoot out a neutron star like a cannon ball? A supernova. About 10,000 years ago, the […]
Lunation Matrix
Observe the Moon every night and you’ll see its visible sunlit portion gradually change. In phases progressing from […]