Imagine a galaxy and what comes to mind likely looks like NGC 2336, a shimmering swirl of stars.
A NASA spacecraft built to spot alien worlds has completed its first two years of work, and the tally is in: the mission hauled in 2,241 new planet candidates for scientists to study.
Astrophysicist Andrea Ghez has spent her scientific career peering at the center of the Milky Way, trying to see the invisible.
The world's oldest meteor impact crater is not a crater at all, say scientists of a new study suggesting natural forces put the giant indent into Earth's surface. But the jury is still out.
Believe it or not, physicists are attempting to understand the universe when it was only a handful of seconds old.
NASA's Mars Helicopter Ingenuity, which is poised to make its first flight in early April, bears a tiny swatch of fabric from one wing of the Wright brothers' history-making plane Flyer 1.
Former Trump intelligence director John Ratcliffe told Fox News that more unexplained sightings of flying objects will soon be declassified.
Three asteroids are making close approaches to our planet today (March 23), but don't worry; the small rocks pose no threat.
A new mathematical application provides a more complete picture of our changing world by drawing on data from several kinds of sensors.
NASA is expected to unveil new details about the debut flight of its Mars Ingenuity helicopter during a media briefing today (March 23).
Water is leaking from Mars' atmosphere through changing seasons and swirling Martian storms, scientists found in two new studies.
Researchers have discovered three new strains of bacteria that they think could one day help astronauts to grow their own food.
Over the weekend, NASA's Perseverance rover dropped the debris shield that protected the Mars helicopter Ingenuity during the mission's epic Feb. 18 touchdown.
'Oumuamua, the first known visitor from interstellar space, was likely a pancake-shaped chip off a Pluto-like world.