The world's space agencies are keeping close watch on an asteroid heading our way, because there's currently a 1 in 83 chance it will hit our planet in the next eight years. Asteroid 2024 YR4, as it's ...

First spotted last month by a telescope in Chile, the near-Earth asteroid — designated 2024 YR4 — is estimated to be 130 to 330 feet (40 to 100 meters) across.

Mars haunts us as a vision of a planet gone wrong. It was once warm and wet, with rivers flowing across its surface and ...

Orbital dynamics show that President Trump’s pledge to land astronauts on Mars couldn’t happen until 2029 at the earliest.

Headliners including Jane Goodall, Brian May, Pablo Álvarez, Glenn Hughes, Jorge Drexler, and many more will celebrate ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

YR4 might force NASA to plan the first-ever space mission to push an asteroid away from Earth. Most likely, though, it's a ...

The news comes just as the new administration makes space exploration a priority. President Donald Trump's inaugural address ...

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...

The latest update for Sins of a Solar Empire 2 brings some icy variety to the galaxy, adds new ship artifacts, and tweaks the game's AI.

When we look at the planets aligning, we are reminded that the universe operates in perfect harmony, following the same ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...