NASA's Artemis II is on track to shoot for the moon in April after engineers fixed the helium issue that grounded the mission's rocket last month.

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

Estimating a mass for a potentially hazardous asteroid (PHA) is perhaps the single most important thing to understand about ...

Upcoming Florida rocket launches include SpaceX Starlink and EchoStar missions, Blue Origin’s New Glenn flights, NASA’s Artemis II, and other 2026 missions from Cape Canaveral and Kennedy Space Center ...

The changes announced on Friday mean that NASA is essentially swapping the actual moon landing for an additional test mission ...

The dinosaurs were wiped out by an asteroid, but does that mean we risk suffering the same fate - and should you be worried about the possibility? Leah Crane sets the matter straight ...

Unlike a solar eclipse, this spectacle won’t require any special eye protection. It will be safe to watch with the naked eye, binoculars, or a telescope.

NASA is preparing to send astronauts around the Moon for the first time in decades, as Artemis II moves closer to launch and a new lunar race quietly intensifies.

Once detected, there are plenty of narrow-field telescopes that can track the orbits of anything that looks alarming.

NASA planetary defense experts warn that up to 15,000 undetected asteroids could devastate a major city on Earth.

Imagine a rock the size of a football stadium hurtling through space at thousands of miles per hour, heading straight for a major city, and we have no way to stop it. NASA has just issued a sobering ...

Scientists have found evidence that amino acids, the chemical building blocks of life (specifically proteins), formed on the asteroid Bennu when it was so far from the Sun as to be frozen. This ...