For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

NASA and the ESA’s Hubble Space Telescope has captured an incredible image of the Egg Nebula, providing astronomers with rare details.

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

A Harvard scientist has suggested that our Solar System may be far more crowded with interstellar objects than anyone ...

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

Earth’s core may contain up to 45 oceans’ worth of hydrogen, a new study finds—an estimate that suggests that the planet formed from a gas-and-dust disk that was rich in the universe’s lightest ...

A recent study points to an exciting possibility: that Uranus's moon Miranda, located in the far reaches of our solar system, may harbor a hidden ocean and life.

They're all around us: sensors and satellites, radars and drones. These tools form vast remote sensing networks that collect ...

The historic Artemis II launch has been postponed to March following technical difficulties identified during a wet dress rehearsal on Feb. 6, including operational ...

Geoffrey Andama was a mentee in the first round of the ARTEMIS program in 2023. Since September 2025, he has headed the Max ...

This post features biographies and notable quotes from oral history interviews with planetary geophysicist Lynnae Quick, ...