One year, so much science. Here's the first of three spectacular, but less widely seen, images from the near and far universe
Any good space opera needs to take place in a version of reality that, although not necessarily scientifically accurate, at least makes some kind of sense
Radar maps of asteroids reveal an array of gnarled, bumpy, and bizarre objects
Where do you test part of the landing system for Mars 2020? High above Earth, of course
A toothpick proves that nobody's getting to the stars very quickly using conventional rocketry
Talking to the rest of the universe takes a whole lot of patience
Caleb Scharf, director of Columbia University’s Astrobiology Center talks about his latest book, The Zoomable Universe: An Epic Tour through Cosmic Scale, from Almost Everything to Almost Nothing, and the OSIRIS-REx space mission...
Largely forgotten today, but probably still out there
Seldom shown images from the Apollo missions still evoke powerful responses
A simple thought experiment that will shock the socks off you
Reality as we know it spans 63 orders of magnitude in scale, and now all of that is in one book
Echoing a famous experiment, the OSIRIS-REx mission treats Earth as a target of opportunity
We've got a doomsday clock, how about a set of running odds on what happens to us?
The second-closest, properly sunlike star seems to be at least as interesting as the Alpha Centauri stars
It's hardly the most pressing concern for Earth, but there might be a way to forewarn ourselves
The end of the Cassini mission is presaged by unique and extraordinary images
The mechanics of two 40-year-old spacecraft
And it's not even from Earth
Earth may get great solar eclipses, but they don't happen all the time
Astrophysical events may have a hard time sterilizing Earth-analogue worlds, based on the example of water bears. But is it this simple?