Researchers discovered Eos, a molecular cloud, using ultraviolet light. It is near Earth and lacks carbon monoxide. This ...

Picture this: a small audience is quietly ushered into a darkened room. They gasp in awe, as a brilliant night sky shines above. They wonder—as many after them will do—what trickery has made the roof ...

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class of planets.

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, Amy Simon (NASA-GSFC), Michael H. Wong (UC Berkeley) / VISUALIZATION: Joseph ...

Stargazers accustomed to scanning the Milky Way galaxy may notice something odd overhead this month: barely any milk in that way.