Old Supernova Seen in Super Size
A new look at an old supernova reveals a more energetic explosion than originally thought. Read more
Interstellar Travel Is Hard, Why Bother?
Imagine an island long, long ago, in an ocean far, far away... Read more
Dark Energy Really IS Real
Mysterious dark energy really is out there, pervading the cosmos, speeding up the expansion of the universe. Read more
Flurry of Evidence for CO2 Snow on Mars
For the first time NASA announces evidence of a carbon dioxide snowfall on Mars. Read more
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