Appropriately named, Helene is a Trojan moon, so called because it orbits at a Lagrange point. Two protostars are hidden in a single pixel near the center of a striking hourglass-shaped nebula in this ...

"None of these three individuals possess the slightest background or experience in space policy or government service." ...

Scientists reported Monday that observations by the Hubble Space Telescope have confirmed it takes Uranus 17 hours, 14 ...

The Library of Congress traces the tradition of April Fools' pranks back to the Roman festival of Hilaria, celebrated the day ...

A new way to measure the length of Uranus’s day could also help determine the rotation rates of other celestial ...

The team used more than a decade’s worth of observations of Uranus’ unique aurorae taken with Hubble and refined the planet’s ...

The Leonids is a typical meteor shower most years, on pace with others such as the Lyrids and Orionids with around 15 ...

An analysis of 11 years of Hubble Space Telescope observations shows that Uranus ' day lasts 17 hours, 14 minutes, and 52 ...

A mission will deliver rock and soil from Mars to laboratories on Earth in the 2030s. Mars Sample Return (MSR) is led by NASA ...

The spacecraft are the online giant’s entry into beaming wireless service from space, but the company has much to do before ...