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Outer Space

Hundreds of critical events must execute perfectly and exactly on time for the Perseverance rover to land safely on Mars.

Exploring Mars

What to Know Before You Watch Perseverance’s February 18 Landing on Mars

Experts describe how they plan to land the rover, what could go wrong and what they hope to learn

Titan's largest lake, Kraken Mare, is larger than the five Great Lakes combined.

New Research

Titan’s Largest Methane Lake May Be One Thousand Feet Deep

NASA’s Cassini probe flew just 600 miles above Saturn’s largest moon to gather the data

An artist's rendering of the five-planet system that orbits star HD 108236, or TOI-1233. In the foreground is a hot, rocky planet that resembles Earth.

Balancing Homework and A.P. Classes, These High Schoolers Discovered Four Exoplanets

Thanks to a Harvard-Smithsonian mentoring program, high school students Kartik Pinglé and Jasmine Wright helped discover new worlds

German aviation company Lilium promises its future fleet of air taxis will be inaudible from the ground when flying above 400 meters.

Air & Space Magazine

A Fleet of Air Taxis Is Coming to Central Florida by 2025

For future trips from Orlando to Tampa, consider the high road

Artist's rendering of blue jet lightning blasting from a storm cloud towards space. The International Space Station solar panels can be seen in the foreground.

New Research

Mysterious Blue Jet Lightning Seen From Space

Researchers captured an instance of this poorly understood type of lightning using instruments aboard the International Space Station

The SpaceX Cargo Dragon capsule separating from the International Space Station after undocking from the Harmony module’s international docking adapter.

Case of Bordeaux Wine Returns to Earth After a Year in Space

Last week a dozen bottles splashed into the Gulf of Mexico inside SpaceX’s Dragon capsule after a year aboard the International Space Station

Astronomers have discovered the oldest and most distant quasar in the universe. The quasar, named J0313-1806, formed just 670 million years after the Big Bang some 13 billion light years away.

New Research

This 13-Billion-Year-Old Supermassive Black Hole Is the Oldest Ever Found

Huge black hole is so old it offers a glimpse into the early universe, and so big it challenges ideas of how black holes form

In theory, the wood would burn up upon re-entering Earth's atmosphere. But wooden space junk is still space junk.

Japan Hopes to Send a Wooden Satellite to Space in 2023

The group hopes the cube-shaped wood orbiter will help reduce space waste

This Project Blue Book chart shows the frequency of unidentified flying object (UFO) reports during the months of June through September 1952.

You Can Now Explore the CIA’s ‘Entire’ Collection of UFO Documents Online

Thousands of pages of declassified records are available for anyone to peruse

A Perseid meteor burns up against the night sky over Big Bend National Park.

Ten Celestial Events to Look Forward to in 2021

Eclipses, meteor showers and dazzling views of planets will excite amateur and professional astronomers alike in North America

NASA astronaut and pilot Victor Glover launched from the International Space Station on the agency’s SpaceX Crew-1 mission.

Smithsonian Voices

Five Things We Learned From Astronaut Victor Glover

Discover what it’s really like to live and work in space! Astronaut Victor Glover shares his thoughts and little-known facts about being an astronaut

New Space Force "Guardians" being sworn in.

Space Force Troops Are Now Officially ‘Guardians’ of the Galaxy

Members of the newest and smallest branch of the military, which turned one this December, will now be known as ‘Guardians’

The Parkes Telescope in Australia

Astronomers Discover Mysterious Radio Signal From Proxima Centauri

Scientists searching for aliens are trying to understand the signal’s origins

InSight was sent on a mission to answer questions about the Red Planet's crust, mantle and core, known as the "inner space."

Mars InSight Lander Offers a Sneak Peek at the Red Planet’s Inner Layers

The robotic explorer was sent to Mars to study its formation—and the data is now making its way back to Earth

This is the all-sky map created by the eROSITA X-ray telescope, represented in false color (red for energies 0.3-0.6 keV, green for 0.6-1.0 keV, blue for 1.0-2.3 keV). The original image was smoothed in order to generate the above picture.

New Research

An X-Ray Hourglass Is Emerging From the Middle of the Milky Way

Astronomers spotted the two gargantuan bubbles of charged particles ballooning out from the middle of our home galaxy

A Japanese space capsule seen falling back to Earth over Australia. The capsule, released from the JAXA space probe Hayabusa2, contains samples of an asteroid called Ryugu that is located roughly 180 million miles from our planet.

Japan Retrieves Space Capsule Full of Asteroid Samples in Australia

The successful landing marks the completion of Japan’s Hayabusa2 mission, which studied the 3,000-foot-wide asteroid Ryugu

Surveyor 2 launched on a Centaur/Atlas rocket in September of 1966. The upper stage, called Centaur, was lost in space until it returned to Earth's orbit this November.

Astronomers Confirm Earth’s Newest Mini-Moon Is Actually a Long-Lost Rocket

The piece of space debris, called 2020 SO, is the upper stage rocket booster from a failed 1966 mission to the moon

The telescope collapsed ahead of its scheduled demolition.

Massive Arecibo Telescope Collapses in Puerto Rico

The radio telescope was once the largest in the world, and played a key role in many major astronomical discoveries over the last 50 years

The Blue Ring Nebula is invisible to the human eye, but telescopes can measure the ultraviolet light, which is shown here in blue.

New Research

Astronomers Crack the Case of the Blue Ring Nebula

The source of the dazzling display puzzled scientists for more than a decade

Teams of engineers looked for remedies to help save the telescope, but repairs would be too risky for a construction team to safely undertake.

After Suffering Irreparable Damage, It’s Lights Out for the Arecibo Observatory’s Iconic Telescope

The 1,000-foot telescope has been a pillar for astronomical research, leading to some of the cosmos’ most exciting discoveries

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