Space & Future
Mars may have had a giant ocean—Scientists spot a “bathtub ring” clue
Scientists have found new evidence that Mars may once have been home to a vast ocean covering about one-third of the planet.
The discovery comes...
Laser-powered propulsion could cut travel to Alpha Centauri to just 20 years
Traveling to the nearest star system, Alpha Centauri, is far beyond the reach of today’s rockets. With current technology, such a journey would take...
Astronomers find stunning birthplace of cosmic “buckyballs” in deep space
Astronomers have captured stunning new images of a distant cloud of gas and dust where unusual molecules called “buckyballs” are formed.
Using the powerful James...
Exploding stars, black holes, and the forbidden gap
When the first gravitational wave (GW) was detected back in 2015, scientists said they had opened a new window into the Universe.
While most of...
NASA shuts off instrument on Voyager 1 to keep spacecraft operating
On April 17, engineers at NASA’s Jet Propulsion Laboratory (JPL) in Southern California sent commands to shut down an instrument aboard Voyager 1 called...
Scientists map 47 million galaxies in largest 3D universe map ever
Scientists have created the largest and most detailed 3D map of the universe ever made, offering a fresh way to understand how the cosmos...
Astronomers discover rare alien solar system changing in real time
Astronomers have discovered a remarkable planetary system where three very different objects orbit a distant star—and their paths are constantly changing.
The system, known as...
Invisible clumps of dark matter may explain three strange cosmic mysteries
Scientists have long known that most of the matter in the universe is invisible. This hidden material, called dark matter, makes up about 85%...
Black hole ‘dancing jets’ pack the power of 10,000 suns, new study finds
Astronomers have captured striking new details of powerful jets shooting out from a black hole, revealing just how much energy these cosmic systems can...
How dark matter could have built massive black holes after the big bang
Astronomers have long been puzzled by the discovery of extremely large black holes in the early universe.
Some of these black holes, found less than...
How a black hole and a shredded star could light up a galaxy
In 2014, a strange cloudy object called G2 made a close approach to Sagittarius A*, (Sag A*) the supermassive black hole at the heart...
Two monsters, one galaxy, and a collision 100 years away!
Space is full of objects that push the boundaries of imagination, but few do it quite as effectively as a black hole.
At its simplest,...
Deep Space
WASP-69b: The Jupiter-sized planet with a spectacular comet-like tail
Imagine a planet so close to its star that it's literally boiling away into space!
That's the story of WASP-69b, a gigantic planet about the...
Astronomers discover a hidden factory of organic molecules in a dust-shrouded galaxy
rich mix of organic molecules deep inside a nearby galaxy, offering a new glimpse into how the basic ingredients of chemistry may form in...
What if you flew your warp drive spaceship into a black hole?
Warp drives have a long history of not existing, despite their ubiquitous presence in science fiction.
Writer John Campbell first introduced the idea in a...
Is there life on distant planet K2-18b? Scientists say it’s too soon to tell
In April, the scientific world—and the public—was abuzz with the thrilling news that a distant planet called K2-18b might show signs of life.
Researchers from...
Is this how you get magnetars?
Imagine a living star with a magnetic field at least 100,000 times stronger than Earth’s field. That’s the strange stellar object HD 45166. Its...