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.
The enormous Baikal-GVD will look for the particles from 4,300 feet (1,310 meters) below the lake surface.
The biggest asteroid to visit Earth this year will zoom by our planet today (March 21) and it's a real speed demon.
New images of Jupiter's polar auroras, captured by the Juno spacecraft, revealed the full cycle of intense and unusual polar light displays.
New, stunningly detailed images of the Large and Small Magellanic Clouds have the potential to revolutionize our understanding of the stars making up these two dwarf galaxies.
A supermassive black hole is racing across the universe at 110,000 mph (177,000 km/h), and the astronomers who spotted it don't know why.