An asteroid the size of a building could collide with the Moon in 2032 and generate a flash visible from Earth.

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

NASA experts are raising alarms about the growing threat posed bynear-Earth asteroids, with some of these objects having the ...

Asteroid 2025 TF's closest approach was about ~186 miles (300 km) from Earth. It is estimated to be about 2 meters (6.5 feet) ...

A planetary defense expert working for NASA warned that humanity has no defense against up to 15,000 undetected near-Earth asteroids that could wipe out a city.

Apple just dropped a full trailer for the fifth season of its hit sci-fi show For All Mankind. This is the first real look at the upcoming batch of episodes, which premiere on March 27. We got an ...

Particle never before seen on Earth detected; it could come from a primordial black hole and the origin of the universe.

NASA experts warned that human beings are vulnerable to thousands of hidden “city-killer” asteroids. A new space telescope may improve detection, but we currently lack tools to stop a threat.

Not sure I believe in omens, but it seems notable that the day I married my first wife, it rained. And the day I married Missie – Thursday of last ...

Orbital Debris Assessment Report (ODAR) analysis and the observed success of commercial operators, plus the instinct to copy what worked last time, have produced modest success. Satellites are small ...

The hit Hulu series is back for Season 2, so catch up on what you need to know about 'The Day.' ...

In his latest column, Steven Boykey Sidley gives a strident take-down of climate activism. But he’s parroting a British ...