Asteroid Mining Might Just Work—If Only We Can Land on the Dang Things

The Rosetta mission’s Philae lander descended toward the two-and-a-half-mile-wide comet at a human’s walking pace. For seven tense hours, scientists in Darmstadt, Germany monitored its radio signal. They would have no idea whether they’d done everything correctly until after the moment of touchdown. If all went well,…

North America Will Not Be Able to See the Longest Lunar Eclipse of the Century, Sorry

The Moon is incredible, and you should look at it. Our view of it is always in flux, but sometimes, the Moon’s visage changes in a particularly dramatic way—like when it sneaks behind the Earth’s shadow and turns red. An especially long lunar eclipse will occur at the end of next month (July 27), which is exciting…

The Rosetta Image Archive Is Now Complete and Freely Available, so You Can See a Comet Like Never Before

The European Space Agency’s Rosetta mission to the comet 67P/Churyumov-Gerasimenko was one for the ages, providing an unprecedented look at this oddly shaped celestial object. The Rosetta probe captured nearly 100,000 images over the course of its mission, all of which are now freely available to the public in a…