The incredibly popular novel, and now movie, The Martian draws people to the Red Planet with realistic detail. Explore the Red Planet not just in fiction but in reality with our Mars globe and map.
A fresh batch of high-resolution images from NASA's New Horizons spacecraft shows that Charon, Pluto's largest moon, has endured a lot. Planetary geologists don't know yet how or when Charon came to exist, but this much is certain: Pluto's largest moon has had a rough time of it in the eons since.
Planetary scientist Alan Stern continues his exclusive series of blogs with details of what awaits the New Horizons spacecraft when it reaches its next objective.
The answer is a tantalizing maybe. Astronomers are investigating whether an increase in the number of flares from Sgr A* is due to the recent close passage of a dusty object known as G2.
Scientists have confirmed that water-soaked salts likely create dark seasonal lines on Mars.
Call it a blood Moon, supermoon, harvest Moon, a portent of the apocalypse, or just a regular ol' total lunar eclipse — for those who caught a glimpse, last night's celestial event did not disappoint.
This simulation shows two black holes spiraling in for a merger. The smaller, brighter, faster-moving black hole orbits more like a satellite around the larger one. Each black hole has its own disk of gas, and a larger accretion disk surrounds the pair. As material spirals in from the circumbinary disk, it encounters the small black hole first, which captures it and starves the heavier, nearly stationary beast at the center, making the heavier black hole appear dimmer..