The world is watching as NASA tweaks the odds that asteroid 2024 YR4 will hit Earth. But how threatening is YR4, and how does ...

While the U.S. Space Force, and its previous operator the U.S. Air Force, have been tightlipped about what the space plane ...

New observations have dramatically reduced the chances of asteroid 2024 YR4 hitting Earth in 2032, lowering the risk to the planet to minimal levels, but the extraordinary close approach will now offe ...

If a star explodes in space and no one is around to see it, does it wreak a change on terrestrial evolution? Yes, maybe – if ...

About 120 million years ago, Victoria, Australia, was a land of endless winter. The southern coast was a frigid river valley, its banks lined with pine trees and its waters teeming with fish.

NASA has selected SpaceX to develop the U.S. Deorbit Vehicle, which will be responsible for guiding the ISS to its end of ...

Sensational "city killer" headlines aside, NASA and the European Space Agency reported the asteroid "has a very small chance" ...

Since early January, Chinese scientists have been continuously observing an asteroid that has a small chance of colliding ...