Curiosity watched as one moon eclipsed the other.
A scholar argues that the core issue is protecting consumers from corporations that are developing ever more sophisticated techniques for getting people to part with their money.
We think of "engine" as a mechanical device, but the word has roots that go way further back, and illuminate some of its newer meanings.
After three months without its warmth and light, the humans living in Antarctica finally saw our star peek out over the horizon.
It hasn't been easy and it hasn't been quick, but for the friends and families of those behind bars, "change has finally come," says the FCC's acting chairwoman.
The great scientist certainly regretted introducing the "cosmological constant" into his equations, but calling it his "biggest blunder"? Not so much, it seems.
A library puts one of its tiniest items under a microscope and finds the first chapter of Genesis
The pace of global warming is going to make it difficult if not impossible for species to find appropriate habitats.
A book published during the presidency of Chester A. Arthur has a greater chance of being in print today than one published during the time of Reagan.
The story of how a poster celebrating the end of the Defense of Marriage Act made its way into history
Early evidence suggests that IRIS is going to be a feast for those who love pretty pictures of space.
Guess what? Not everyone wants an iPad.
Why the American Historical Association is encouraging graduate programs "adopt a policy that allows the embargoing of completed PhD dissertations"
Though "Vulcan" was the clear winner in a public vote on the matter, the official naming committee was not happy with that choice.
A large explosion, narrated by a stream of Russian expletives
Seeing how Gettysburg played out on a map can help us understand why, in the end, it turned out as it did.
But it hasn't quite left the bubble around our sun yet.
Another case of "direct access" not being quite what you first thought
It's not always easy to imagine just how big the other planets are. Here, a space artist's thought experiment turns into a lesson in Earth's relative size.
Up until now, the most planets ever found in one habitable zone was two.