Fresh analysis of data from the New Horizons spacecraft's July flyby of Pluto reveals much more water ice than previously thought.
Two groundhogs did not see their shadows on Groundhog Day, predicting an early spring. Will they be right?
The Orion spacecraft pressure vessel is ready for transport to Kennedy Space Center. This small step moves NASA closer to sending humans beyond the moon.
In remote national parks on the border of Ethiopia and Sudan, researchers have confirmed a small population of lions, the numbers of which are declining drastically in much of Africa.
Britain's fertility regulator approved the use of a new and controversial gene-editing technique on human embryos.
NASA's latest video allows earthbound viewers to travel vicariously to our solar system's asteroid belt with the Dawn spacecraft.
Scientists examined burnt fragments of the massive eggshells to determine the link between humans and the bird's extinction.
A colossal cloud composed mostly of hydrogen is racing towards our galaxy at astonishing speed. When it collides, say scientists, the explosion will be spectacular.