NASA’s Cassini probe will soon plunge into Saturn, ending its 13-year mission to the ringed planet and triggering a wave of grief among scientists, engineers, and an adoring public.
The spectacular neutron-star collision eventually faded from view, but it was immortalized by space animators.
The groundbreaking discovery of a neutron-star collision unfolded in a flurry of online messages.
Astronomers say the merger of two neutron stars produced about 10,000 Earth-masses of precious heavy elements.
For the first time, astronomers have detected visible light and gravitational waves from the same source, ushering in a new era in our attempt to understand the cosmos.
“It could be traumatizing to even look at the data” from a research expedition.
His administration has made the moon a destination, not just a pit stop, on the way to Mars.
Sixty years after the historic achievement, a world without satellites seems difficult to imagine.
The LIGO instrument responsible for detecting gravitational waves grew out of an 1880s experiment.
Elon Musk’s proposed Earth transport system better stock barf bags.
@RealTimeWWII spent the last six years chronicling the violent conflict online—and now it’s starting all over again.
Astronomers have spotted the phenomenon for a fourth time—and they say there’s many, many more to come.
A North Korean official has hinted about conducting a nuclear test at sea, which would have severe environmental consequences.
The world’s second-largest radio telescope has sustained “some damage” from Hurricane Maria.
Scientists may soon be able to monitor whole ecosystems in real time.
The latest picture of a distant star shows more detail than ever before.
The hurricane is barreling toward the Caribbean, which is still reeling from the effects of Irma.
As the spacecraft prepared to plunge into Saturn, the mission's longest-serving members remembered its years-long journey.
Anthropomorphizing robots is one thing, but some say news reports about the spacecraft risk being insensitive.
The original producers of the cosmic message to the universe consider the next iteration.
The twin spacecraft still send data back to the planet they left 40 years ago.