NASA Launches Europa Clipper to Search for Signs of Life on Jupiter’s Moon
The huge spacecraft is headed toward the icy moon Europa, where it will use an array of instruments to survey for geologic activity, magnetism and more
Apollo 11 Astronaut Michael Collins on the Past and Future of Space Exploration
On the occasion of the lunar landing's 50th anniversary, we spoke to the former director of the National Air and Space Museum
Ten Celestial Events You Don't Want to Miss in 2020
Whether you are a telescope enthusiast or just want to step outside to enjoy the night sky, these are the phenomena to look out for this year
Meteorite Grains Are the Oldest Known Solid Material on Earth
The oldest dust sample, perhaps 7 billion years old, predates the formation of our planet and the sun
The Top Ten Scientific Discoveries of the Decade
Breakthroughs include measuring the true nature of the universe, finding new species of human ancestors, and unlocking new ways to fight disease
The Cycle From 'Zen and the Art of Motorcycle Maintenance' Comes to the Smithsonian
The 1966 Honda Super Hawk featured in Robert Pirsig’s book on values was recently acquired by the National Museum of American History
The Ten Best Science Books of 2019
New titles explore the workings of the human body, the lives of animals big and small, the past and future of planet earth and how it's all connected
Meet the Global Team That Captured the First Image of a Black Hole
Never before had scientists seen the phenomenon until they rallied colleagues around the world to view a galaxy far, far away
Astronomers Spot a Comet That Likely Came From a Different Solar System
After 'Oumuamua, the newly detected rock is just the second known object to visit from interstellar space
Water Vapor Detected in the Atmosphere of an Exoplanet in the Habitable Zone
The planet K2-18b, about 110 light-years away, could have swirling clouds and falling rains of liquid water droplets
Astronomers Spy the Surface of an Airless, Mercury-Like World
The rocky exoplanet orbits an M dwarf star, leading scientists to question whether such environments could support atmospheres and life
Dragonfly Spacecraft to Scour the Sands of Titan for the Chemistry of Life
The NASA rotorcraft, resembling a large quadcopter drone, will fly through the orange clouds of the ocean moon in the outer solar system
Interactive Map Shows All 21 Successful Moon Landings
Humans have walked on the moon six times, and robotic probes have been touching down on the lunar surface for decades—but there is still much to explore
Neil Armstrong’s Restored Spacesuit Put Back on Display at the Smithsonian’s National Air and Space Museum
The spacesuit, which Armstrong wore when he walked on the moon during Apollo 11, is available for public viewing and as a 3-D model online
The Best Books About the Apollo Program and Landing on the Moon
From astronaut autobiographies to definitive accounts from leading historians, these are the must reads about the landmark mission
A Smithsonian Curator Reflects on Apollo 10, the Mission That Made Landing on the Moon Possible
Fifty years ago, the astronauts who crewed the “dress rehearsal” for Apollo 11 paved the way for history to be made just a couple months later
NASA’s Flying Telescope Spots Oldest Type of Molecule in the Universe
An infrared telescope mounted in a Boeing 747 has detected the first type of molecule to form after the big bang
Astronomers Capture First-Ever Image of a Supermassive Black Hole
The Event Horizon Telescope reveals the silhouette of a black hole at the center of a galaxy 55 million light-years away
The Mathematical Madness Behind a Perfect N.C.A.A. Basketball Bracket
Picking a perfect bracket is so unlikely that it will almost certainly never occur, even if March Madness continues for billions of years
Earth’s Oldest Known Rock May Have Been Found on the Moon
Alan Shepard, the first American astronaut in space, collected the rock sample during Apollo 14
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