Lava tubes aren't new to our solar system; they've hinted at volcanic pasts on Mars and the Moon. But spotting them ...

NASA shared that with a more precise shape, it will help astronomers understand data from planets seen passing in front of ...

The newly discovered sungrazing comet C/2026 A1 (MAPS) will undergo an extremely close slingshot around our star in early ...

This Feb. 4, 2026, image from NASA's Solar Dynamics Observatory (SDO) captures a strong solar flare erupting from the star.

Elon Musk has his eyes set on a "self-growing city on the Moon," which he thinks can become reality in less than a decade.

Learn about a new Kreutz sungrazing comet that could be lighting up our skies come April 2026.

NASA’s Solar Dynamics Observatory captured an X2.8-class solar flare and a pair of m-flares that preceded it in multiple wavelength. Reported to be the biggest flare since an X9.3 flare in Sept. 2017.

Tiny grains of dust from asteroid Bennu are reshaping how scientists think life’s ingredients formed in space.

The candidate is coined HD 137010 b. It would orbit a K-type dwarf star approximately 146 light-years from Earth. The evidence comes from a single transit pattern seen in K2 data from 2017: the star ...

The largest gas giants in our galaxy blur the line between planets and brown dwarfs. How do these very large gas giants form? A team of researchers, led by the UC San Diego, used spectral data from ...

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

Elon Musk is putting his dreams of colonizing Mars on hold and said his SpaceX rocket company will instead focus on building a city on the moon.