Outer Space
The cosmos can kill us in many ways. But the James Webb Space Telescope can help save us
Asteroid strikes, supernova explosions, and gamma-ray bursts are just a few of the ways the cosmos can kill us.
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.
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.
17 pictures that show how mind-bogglingly large the Universe is
Our entire planet is a little under 13,000 kilometers in diameter, or about seven orders of magnitude greater than the size of a human.
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.
MIT proposes Brazil-sized fleet of “space bubbles” to cool the Earth
A raft of “space bubbles” could be used to reverse global warming, according to an MIT group's solar geoengineering proposal.
Humans have big plans for mining in space
What's holding us back from mining in space when we have such big plans already? The sheer cost, for one thing.
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.
Search reveals eight new sources of black hole echoes
The researchers' findings will help scientists trace a black hole’s evolution as it feeds on stellar material.
Europa’s icy shell may harbor habitable pockets
Using radar data from our own world, Stanford researchers have proposed a new place to look for life on Jupiter’s icy moon.