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Science / Space

The Ten Best Science Books of 2018

These titles explore the wide-ranging implications of new discoveries and experiments, while grounding them in historical context

An artists concept of the Origins Spectral Interpretation Resource Identification Security - Regolith Explorer (OSIRIS-REx) spacecraft collecting a sample from the asteroid Bennu.

Asteroid Sample-Return Mission Arrives to Collect Primordial Rocks of the Solar System

As the OSIRIS-REx spacecraft arrives at its target asteroid Bennu, scientists on the ground prepare for a new bounty of planetary samples

If Light Can’t Escape Black Holes, How Do We Get Photos of Them… and More Questions From Our Readers

You asked, we answered

One of NIST’s ytterbium optical lattice clocks.

Scientists Measure the Second With Record-Breaking Precision

A new generation of optical clocks are becoming ever more reliable as physicists work to redefine time

Scott Bolton says he first dreamed of traveling through the galaxy when he was a boy camping out under the stars.

2018 Smithsonian Ingenuity Awards

Meet Scott Bolton, the Visionary Behind the NASA Mission to Jupiter

The Juno project will take on the mysteries of the gas giant that may in turn help us understand our own planet’s origins

Illustration of NASA's InSight lander about to land on the surface of Mars.

Watch NASA Land the InSight Spacecraft on Mars

The InSight lander has successfully touched down on Mars

Once NASA's InSight lander touches down on the surface of Mars, it will use a seismometer to measure "Marsquakes," and a self-hammering heat probe will burrow five meters below the surface to study the internal heat of the planet.

NASA Will Attempt Its Eighth Mars Landing on Monday

Touching down on the surface of the Red Planet is one of the most difficult engineering challenges ever attempted, and InSight is about to give it a go

An artist’s impression of the newly discovered planet’s surface.

Astronomers Discover Second-Closest Known Exoplanet

The planet, a frozen Super-Earth, orbits Bernard’s Star about six light-years away

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Ingenious Minds

AOL Co-Founder Steve Case Talks With Smithsonian Geologist John Grant About the Search for Life on Mars

In the near future, we are going to know if life exists elsewhere in the universe

The NIST-4 Kibble balance, an electromagnetic weighing machine that is used to measure Planck's constant, and in turn, redefine the kilogram.

Scientists Are About to Redefine the Kilogram and Shake Up Our System of Measures

After more than 100 years of defining the kilogram according to a metal artifact, humanity is preparing to change the unit based on a constant of nature

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Ingenious Minds

Astrophysicist Michelle Thaller on Understanding Our Place in the Universe

Autodesk vice president Brian Mathews talks with the NASA science communicator about the search for life on other planets and why it’s important

A silica sphere with a radius of 50 nanometers is trapped levitating in a beam of light.

Optical Tweezers Give Scientists a Tool to Test the Laws of Quantum Mechanics

Quantum superposition is one of the great mysteries of physics—a mass existing in two states at once—and scientists hope to probe the phenomenon

An enhanced-color image of Mercury taken by the MESSENGER spacecraft in 2012 as part of a mission to map the geologic features of the planet.

Spacecraft Launching This Week Will Explore the Mysteries of Mercury

The BepiColombo mission will study the geology and magnetism of the smallest planet to search for clues of our solar system’s beginnings

Ryan Gosling as Neil Armstrong in First Man.

Smithsonian Curator Reflects on What ‘First Man’ Gets Right About Neil Armstrong’s Journey to the Moon

The new film lays bare the personal sacrifice and peril that accompanied NASA’s historic mission

An artist’s conception of a distant Solar System Planet X, which could be shaping the orbits of smaller extremely distant outer solar system objects like 2015 TG387.

New Discovery Stirs Up Signs of the Elusive Planet 9

A new minor planet called “the Goblin” is the second most distant known object in the solar system

Illustration of NASA's Transiting Exoplanet Survey Satellite (TESS) observing an M dwarf star with orbiting planets.

TESS Space Telescope Will Find Thousands of Planets, but Astronomers Seek a Select Few

NASA’s new space telescope has already discovered two planets, but the hunt for a world like Earth is just getting started

What Would Happen if the Earth Stopped Rotating? and More Questions From our Readers

You asked, we answered

Armstrong’s pressurized spacesuit, measuring nearly 5 feet 7 inches tall, featured anodized aluminum gauges and valves. (Detail)

The Latest on the Kickstarter Campaign to Conserve Neil Armstrong’s Spacesuit

As a new biopic blasts off, the protective suit worn by the ‘First Man’ on the moon is readied for its star turn

Betsy Congdon, lead engineer for Parker Solar Probe’s heat shield, looks on as technician Tony Ahan attaches the interface plates that will allow the heat shield above them to eventually be installed onto the spacecraft.

Behind the Scenes With the Spacecraft That Will Soar Through the Sun’s Atmosphere

The probe, which launches Sunday, will attempt to solve enduring mysteries about the sun

Nine Travel Tips From Astronauts

What can terrestrial travelers learn from people who have been to space?

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