This Just In
Gravity waves, gravitational waves and primordial gravitational waves... what do they mean? Is there a difference?
More gravitational wave discovery rumors are flying, but this time they've taken a specific -- and, possibly, really exciting -- new twist.
Although he's almost 250 miles above the ground, NASA Astronaut Scott Kelly still managed to capture a fleeting glimpse of yesterday's Super Bowl matchup.
If proven, it would be the first such death in recorded history.
In November 2014, the plucky lander Philae touched down on a comet, making headlines worldwide. A hard landing drastically shortened its lifespan, but scientists still gleaned a ton of new information about comets.
US astronaut Edgar Mitchell, one of just 12 people to have walked on the moon, has died.
A NASA spacecraft now has Jupiter more squarely in its sights ahead of its July 4 arrival at the solar system's largest planet.
An asteroid as long as a basketball court will give Earth a close shave next month.
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