The liftoff of the Soyuz Progress 60P was a relief to astronauts and cosmonauts aboard the International Space Station after two previous resupply missions — one Russian and one American — failed.
NASA says the two bright planets will be "a jaw-dropping one-third of a degree apart" around sunset. It's the closest they'll come in their current 24-year cycle.
In Florida, an unmanned supply rocket blasted off for the International Space Station, but something went wrong. The loss of the rocket, which was also carrying experiments, is a setback for NASA.
Dan Gilbert shares research on what he calls the "end of history illusion," where we think the person we are right now is the person we'll be for the rest of time. Hint: that's not the case.
Cosmologist Sean Carroll tackles a deceptively simple question: Why does time exist at all? The potential answers point to a surprising view of the nature of the universe, and our place in it.
That was the tweet sent by the European Space Agency's Philae space lander on Sunday morning. Last November, after touching down on Comet 67P, Philae went silent. On Saturday night, it communicated with scientists for the first time since. NPR's Arun Rath speaks with Mark McCaughrean of the European Space Agency about Philae's wakeup.