This Just In
The mission will simulate what it might be like for astronauts journeying to Mars.
Images from orbit capture the wide range of urban development on the planet.
After a successful flyby of Pluto in July, NASA’s New Horizons spacecraft will be redirected to visit a small, icy body known as 2014 MU69, located nearly a billion miles farther into the Kuiper Belt region beyond Neptune.
See just how well Hubble is doing after 25 years in orbit.
The butterfly shape is created by the stellar ballet of the two sun-like stars at the end of their lives.
A mathematical way to describe chaotic systems uses a simple numerical scale to show if things might fly out of control.
In a galaxy, 600 million light-years away, a black hole deathmatch is ripping up spacetime, exposing some fascinating dynamics at the heart of a powerful quasar.
You'll probably hear a lot about a 'supermoon' over the next few months. This is not a term that astronomers use, but here are some facts about what will actually happen.
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