The New Horizons spacecraft is sending back "amazing" pictures of Pluto
NASA's New Horizons spacecraft is poised to become the first probe to visit distant Pluto.
The New Horizons spacecraft is just days away from a historic fly-by past Pluto
Problem: each smell requires a different kind of sensor, making devices bulky and limited in what they can do.
Views of the solar system, as astronomers announce there may be a ninth planet about 10 times bigger than Earth and...
Top images from space in 2015.
Top photos from the past week.
Top photos from the last 24 hours
"Pluto just had its first visitor! Thanks @NASA - it's a great day for discovery and American leadership," Obama cheered the...
A nuclear-powered rover as big as a compact car is set to begin a nine-month journey to Mars this...