Climate change is already causing all sorts of problems on Earth, but soon it will be making a mess in orbit around the ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

Exploding stars known as supernovas may have sparked mass extinctions that wiped out up to 85% of animals on Earth.

“Serpent Mound is the largest serpent effigy built anywhere on the planet Earth,” O’Grady said. “Serpent Mound is built up on ...

DE5 and 2025 DB22 – will make close approaches to Earth, travelling at alarming speeds. While they are not expected to hit our planet, the asteroid 2025 DE5, about 22 feet in size, will approach Earth ...

Once the new measurements were taken and the math was done, the probability of YR4 hitting the Earth began to decline, ...

The probability of Asteroid 2024 YR4 striking Earth ... near future has leapt from having a near-zero chance of occurring to having roughly a 3 percent chance. While that may not seem like a big ...

TRAPPIST-1 is a red dwarf star about 40.7 light-years away from Earth. It is of particular interest because it has seven ...

That's not even close to the size of the "planet-killer" asteroid that slammed into Earth 66 million years ago ... asteroid's surface is used to estimate how big it is. Since early January ...

Our planet’s core is made mostly of iron, but it might also contain primordial helium that formed just after the Big Bang ... of helium in our core. Earth appears to be a chill blue planet ...

The space rock between 130 and 300 feet long has caused quite a stir since astronomers first spotted it late last year on a trajectory bringing it uncomfortably close to Earth in 2032. YR4's ...

The possibility of “city-killing” asteroid 2024 YR4 hitting Earth ... The asteroid, big enough to wipe out an entire city, now has a higher chance of smashing into our home planet in 2032 ...