A new letter addressed to acting NASA chief Janet Petro calls out the space agency for failing to answer questions raised by ...

Even though the odds of crashing into Earth are quite low, if it does bang into the planet, a catastrophe would be unleashed.

Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission's entire operations, ...

Legendary scientist Neil deGrasse Tyson has explained how NASA and other planetary defense bodies could deflect the potential ...

For several years, astronomers have been aware of a much-ballyhooed “city-killer” asteroid named YR4 2024, which is hurtling ...

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...

"Have you ever flipped through old photo albums and suddenly found something fascinating hidden in the background of a ...

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

A scientific discovery that could transform the study of warp drive is now under wraps at the U.S. Defense Advanced Research ...

Space scientists within NASA and outside it feel betrayed by the Trump administration’s changes at the agency, which was ...

Here are today's general risks from asteroids or comets both tiny and very large. Importantly, even relatively small rocks ...

Researchers present an alternative to the long-held “hard steps” theory to explain the evolution of complex life, suggesting ...