Sarah Lewin

A seasonally appropriate blizzard of stars fills this Hubble view of a cluster located 41,000 light-years from Earth. The image captures 150,000 glittering stars.

Alien-hunting scientists are lending a (telescopic) ear to 'Oumuamua, a mysterious object recently spotted speeding through the solar system.

Computer systems like IBM's "Jeopardy!"-winning Watson could play a crucial role advising pilots, driving Mars robots or navigating from within the walls of a spacecraft on its way to deep space.

The latest installment in James S.A. Corey's "Expanse" series is the beginning of the end for James Holden's crew, setting a course for the final books of the series.

More than 2,000 are expected to head to Houston this week for SpaceCom 2017, the third annual Space Commerce Conference and Exposition.

Science fiction meets horror in "Nightflyers," a new series on Syfy channel inspired by a story by author George R.R. Martin.

A new radio image of our neighboring dwarf galaxy, the Small Magellanic Cloud, highlights its swirls of atomic hydrogen gas to help researchers understand the galaxy's evolution.

About half an hour after sunset tonight (Nov. 28), Mercury will shine close to Saturn in the early-evening sky for the first of three close approaches between the two planets.

The first in a series of four advanced polar-orbiting satellites has launched to space, turning its watchful eye to improving the accuracy of weather forecasts and Earth observations.

Sixty years of data reveal that, while the maximum level of solar activity can vary drastically, by one measure, it always returns to the same quiet minimum.

The Millennium Falcon may have made the Kessel Run in less than 12 parsecs, but apparently its stealth mode leaves something to be desired.

Auroras may be visible across Canada and the northern parts of Montana, North Dakota and Michigan Nov. 8 to 11, courtesy of a hole in the sun's corona.

Distant planets tell all: A new analysis uses alien worlds' orbital treks to peek inside their stars.

Juno's finally back in contact with Earth, confirming a successful eighth science flyby of Jupiter and sending along new data about the planet's vibrant cloud tops and composition.

Fox's "Star Trek"-influenced space adventure, "The Orville," will voyage on to a second season.

A giant planet has been found orbiting an ultracool dwarf star — the largest planet compared to its star ever found — leaving scientists baffled at how the duo could have formed.

Some years an astronaut or two may dress up for Halloween, but this time all six crewmembers on the International Space Station got their moments in the spooky spotlight.