The gas travels alongside particles from the sun, and could offer clues to life’s origins.
It’s like The Man in the High Castle for Earth’s history.
Babylonian tablets suggest that Earth’s rotation is slowing less than expected.
The real meaning of the dwarf planet's iconic marker
In a gorgeous new video, the SpaceX CEO lays out his vision for a human civilization on Mars.
“We as a scientific community created an origin myth that has no more intellectual value than Genesis.”
Some of the largest quakes in recent memory happened when the Earth’s crust was under the highest tidal stress.
In some cases, their paintings have improved our scientific understanding of these strange cosmic events.
No one will ever find a closer exoplanet—now the race is on to see if there is life on its surface.
The race to extract resources in space is heating up—with few laws in place to contain the chaos.
Using new technologies and centuries-old records, astronomers are trying to learn the habits of our ever-changing star.
Waves of radiation from local supernovae might have mutated DNA, triggered intense lightning storms, and even caused mass extinctions.
In a triumph for science, a second merger of black holes has been heard from across the universe.
A new “dark sky atlas” suggests that light pollution is drowning out the stars faster than ever.
New research suggests Mars is emerging from an ice age that once covered it in frost.
A laser designed to push a probe to the stars could also be used as a beacon—and for all we know, the universe might be littered with such lighthouses.
And it could make the search for life on other planets much more difficult.
A computer can’t match a human’s ability to identify cosmic objects, but recent advances in machine learning are helping to close the gap.
Astronomers marked the 26th anniversary of the telescope’s launch with the first ever full photo of the stunning Bubble Nebula.
Sediments from the bottom of the sea preserve a record of exploding stars—including some that may have changed Earth’s climate, and led to the rise of humans.