Astronomy
Scientists see “rarest event ever recorded” in search for dark matter
Researchers observed an ultra-rare particle interaction that reveals the half-life of a xenon-124 atom to be 18 sextillion years.
Chinese astronomers unveil a plan to find Earth 2.0 — and aliens
China’s Earth 2.0 mission will survey the Milky Way in the hope of identifying exoplanets similar to Earth.
What happens if the Solar System’s largest comet collides with Earth?
The asteroid that caused the last mass extinction 65 million years ago was only 5 kilometers across — tiny compared to this one.
When will the Earth come to an end?
There are many different "ends" in store for our planet, in both the near and far future. Here are the ways our planet will meet its demise.
Ukrainian startup expects to fly “self-devouring” rocket in 2022
Ukrainian startup Promin Aerospace is developing a “self-devouring” rocket built from a material that its engine can burn as fuel.
US plans to put nuclear-powered spacecraft in orbit by 2026
Nuclear thermal propulsion systems could power missions to Mars, help defense satellites evade attacks, and more.
We have a new way to hunt for potentially hazardous asteroids
To help protect Earth from potentially hazardous asteroids, astronomers developed an algorithm to look for them in existing datasets.
After 350 years, astronomers still can’t explain the solar system’s strangest moon
Saturn's Iapetus, discovered way back in 1671, has three bizarre features that science still can't fully explain.
NASA to help put first Japanese astronaut on the moon
The first non-American to reach the lunar surface will likely do so as part of NASA’s Artemis mission — and could be a Japanese astronaut.
Telescope “sunglasses” find brightest pulsar outside our galaxy
Australian astronomers have discovered the brightest pulsar ever seen outside the Milky Way by putting “sunglasses” on a telescope.