A newly discovered asteroid has climbed to the top of NASA's impact risk list after fresh observations doubled its chances of ...

A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

A recently discovered square structure on Mars has sparked debates between natural geological processes and the possibility ...

Like its mythological namesake, the Phoenix Cluster burns with blisteringly hot gas, which cools to birth stars. The James ...

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

The chance that a city-killer asteroid will impact Earth in 2032 is steadily rising. Here's what you need to know.

According to NASA, “a lunar eclipse occurs when the Sun, Earth, and Moon align so that the Moon passes into Earth’s shadow. In a total lunar eclipse, the entire Moon falls within the darkest part of ...

New black-and-white pictures have emerged of 2024 YR4, the 'city killer' asteroid that has a 1-in-48 chance of smashing into ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

NASA's flagship space telescope captured flares from the disk of superheated material around the black hole, revealing the dynamic—and explosive—physics at our galaxy's core.