A massive American web of orbiting missile interceptors could in theory protect the U.S. from an all-out Russian nuclear ...

With an equatorial diameter of 7926 miles (12,760 kilometers), our planet Earth is the biggest of the terrestrial planets and ...

YR4's odds jumped to a 1-in-32 chance of impact, though that number will likely fall as the asteroid continues to be monitored.

The chances that an asteroid hits Earth in 2032 are now at their highest since the object was first discovered, according to ...

The threat from space rock 2024 YR4 has surpassed that of Apophis, an asteroid feared by scientists 20 years ago. The danger remains low, but experts are estimating the damage that could be done.

YR4 has a small chance of hitting Earth in 2032, but as astronomers make more observations about its trajectory, the odds of ...

Imagine a field of solar panels floating silently in the endless day of Earth’s orbit. Unlike their terrestrial cousins, this ...

Rocket Lab launched a high-resolution imaging satellite for the company Blacksky toward low Earth orbit this evening (Feb. 18 ...

"Fasten Your Space Belts" could be part of a spaceflight one-two punch today. SpaceX plans to launch yet another batch of its Starlink internet satellites today, during a nearly 3.5-hour window that ...

The European Space Agency (ESA) is ready to guide the ESA/NASA Solar Orbiter spacecraft through its closest encounter with ...

The gas giant WASP 121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...

YR4 has reached the highest risk of impact yet, according to both NASA and the European Space Agency, with the agencies ...