Fission and fusion are both nuclear-y things that start with "f," but they're very different. Also, GLaDOS is apparently working for NASA now.
Tardigrades (also known as waterbears or moss piglets) are some of the most amazing micro-animals on Earth. Here, for the first time, are the 3D guts of one.
If you were looking at the Moon last September and thought you saw something blow up, that might be because something blew up.
An Australian zircon crystal is the new oldest earth on Earth.
It's really, really too bad that this is the past and not the present, but that doesn't make it any less amazing.
See the dot in this picture, taken of the surface of Mars from orbit? That dot is about a billion dollars worth of extraterrestrial science in action.
Supernovae are a hot, sloshy mess. In other news, "sloshy" is now a scientific term.
Elephants feel empathy just like humans do, and they enjoy hugs like we do, too.
To spend any amount of time in deep space, fragile humans need protection from the fury of the Sun. Here are some of NASA's ideas.
The new Space Launch System is so enormous that NASA's crawler-transporters are getting major upgrades to be able to handle it.