Earth faces a significant threat from thousands of undetected asteroids capable of destroying cities. NASA's planetary defence chief warns that current systems cannot reliably stop these 'city-killers ...

Scientists classify asteroids measuring 140 metres or more as "city-killers" because of the scale of destruction they can unleash ...

A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.

At the edge of the Antarctic Peninsula, far from research stations and tourist routes, a small team collected seawater in conditions that are not easi.

NASA will again attempt to fuel up its moon rocket and do a launch-day walkthrough ahead of its Artemis II mission to send four astronauts around the moon.

For 42 years, NASA satellites have tracked how sunlight powers Earth’s climate. The long record is revealing subtle shifts that could reshape climate predictions. These findings are adding new layers ...

A NASA scientist has warned that thousands of city-killing asteroids could strike Earth, and there’s currently no defense humanity could use to stop them.

NASA’s asteroid trackers tighten CR2’s orbit with fresh data, and open catalogs show how fast checks keep flybys calm for all now.

New maps issued by NASA detail exactly when and where skywatchers across the contiguous U.S. can see the upcoming total lunar eclipse on March 3, 2026.

"We don’t know where they are,” said NASA’s planetary defense officer Kelly Fast at the AAAS conference in Arizona this week.

Vast, an aerospace company based in Long Beach, California, partnered with NASA to send four of its own private astronauts to the ISS in 2027.

NASA officials warn thousands of undetected “city killer” asteroids may be circling near Earth. With limited deflection tools ready, are we prepared if one suddenly shifts onto a collision course?