The New Horizons spacecraft zooms toward an object 4 billion miles from Earth.
New findings from the Chang’e 4 mission could speak volumes about the Moon’s early days.
Moonwalking might be dicier than you think.
Spoiler: It seems half of this celestial mutt isn’t an aurora at all.
Learn about the challenges that engineers overcame to build a solar-powered airplane that flew around the world, in these videos from NOVA: The Impossible Flight.
Learn how NASA engineers identified and solved a problem with the F-1 rocket engine, in this video from NOVA: Apollo’s Daring Mission.
The faint rumbles, detected on April 6, could be long-awaited proof that the Red Planet is seismically active.
The infrared-sensitive telescope, aboard an Earth-orbiting spacecraft, can detect near-Earth objects by sensing the heat they absorb from the Sun.