While not an official term, "city-killing asteroids" refers to asteroids large enough to significantly damage cities if they were to crash into Earth, the scientists said. Asteroids are rocky, airless ...

Mercury, the smallest planet in the solar system, holds an outsized secret that some researchers believe could reshape how ...

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

"We would not have any way to go and actively deflect one right now," warns the scientist who led NASA's DART mission.

Every now and then, I fall down a late-night rabbit hole reading space facts, and the 30 on this list are the ones that truly messed with my brain. Fair warning: you might need a minute to recover ...

Webb Telescope finds crystalline water ice around star HD 181327. This discovery could reveal how icy bodies contribute to ...

At the end of this month there will six planets visible at the same time and stargazers will be hoping for clear conditions. You'll be able to spot Venus, Jupiter, Saturn, Mercury, Uranus and Neptune.

Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find.

The Artemis II mission, which will return US astronauts to lunar space, has run into problems that have critics demanding NASA remove the crew from the flight for safety reasons. The bigger question ...

Close-up measurements from NASA’s Parker Solar Probe are giving scientists an unprecedented look at how the solar wind gains ...

Typically, from what astronomers have gathered thus far, star systems follow a tidy logic: small, rocky worlds huddle close to the warmth of their star, while massive gas giants bloat up in the colder ...

Of the solar system’s planets, Saturn piques the human imagination with its signature rings and impressive moon count of 274. But compelling new research reignites theories of an ancient collision ...