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The Soviet Union's Zond 5 capsule is seen during recovery operations in the Indian Ocean after returning to Earth following a trip around the moon with two steppe tortoises and an extensive biological payload. The tortoises survived.

On This Day in Space! Sept. 15, 1968: Russian Tortoises Take 1st Circumlunar Spaceflight

By Hanneke Weitering

On Sept. 15, 1968, the Soviet Union launched the Zond 5 spacecraft (and two tortoises!) on a mission around the moon. See how it happened in our "On This Day in Space" video series!

Spectators watch SpaceX's Crew Dragon Demonstration Mission 1 launch from Pad 39A of the Kennedy Space Center in Cape Canaveral, Florida on March 2, 2019.

NASA, SpaceX Coverage of 1st Crew Dragon Test Flight Wins Emmy

By Tariq Malik

NASA has won an Emmy for Outstanding Interactive Program over its coverage of SpaceX's historic Crew Dragon test flight this year.

Augmented reality provides an immersive way to learn about space. In this photo, NASA's Mars Curiosity rover pays a virtual visit to someone's living room via the agency's free Spacecraft AR mobile app.

How Augmented Reality Will Bring Space Books to Life

By Michael D. Shaw

When we read about the glories of space, we often miss the most magnificent part about exploring it: the audiovisual experience.

The European Space Agency is requesting ideas for ways to explore lunar caves with robotic missions.

Europe Wants Ideas for Cave-Spelunking Moon Robots. Here's How You Can Help!

By Elizabeth Howell

As NASA makes a big push to land humans on the moon's surface by 2024, the European Space Agency wants to learn more about the caves that lie beneath.

An artistic depiction of an asteroid flying past Earth.

Watch an Asteroid Fly by Earth Today in a Live Webcast from Slooh!

By Elizabeth Howell

This weekend you can see live telescope views of an asteroid hurtling past Earth, thanks to astronomy broadcaster Slooh.

The discovery of water vapor in the alien planet K2-18 b is at the heart of two new studies on the exoplanet. Here's what happened behind the science scenes.

2 Studies, 1 Planet! Inside a Race to Discover a Water Vapor World

By Chelsea Gohd

Water vapor, and likely clouds that rain liquid water, have been discovered on an exoplanet that lies in the habitable zone of its star. But there's an issue.

Tech

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Augmented reality provides an immersive way to learn about space. In this photo, NASA's Mars Curiosity rover pays a virtual visit to someone's living room via the agency's free Spacecraft AR mobile app.

How Augmented Reality Will Bring Space Books to Life

By Michael D. Shaw

When we read about the glories of space, we often miss the most magnificent part about exploring it: the audiovisual experience.

Bigelow Aerospace has constructed a ground-test unit of its massive Mars Transporter Testing Unit BA-330 space habitat for NASA tests on Earth.

NASA Puts Bigelow Aerospace's Giant Inflatable Space Habitat Prototype to the Test (Photos)

By Mike Wall

NASA is currently conducting a two-week ground test on Bigelow Aerospace's B330 habitat here at the company's headquarters, assessing the module's suitability as a deep-space astronaut abode.

Spaceflight

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An artist's depiction of the Chandrayaan-2 lander, Vikram, preparing to alight on the lunar surface. The procedure occurred on Sept. 6, 2019, but appears to have gone wrong, with the Indian space agency losing contact with the lander late in the maneuver.

US Moon Landing Hopefuls Watch Silent India Lander — and Learn

By Meghan Bartels

In the wake of the apparent crash of India's Chandrayaan-2 lunar lander, NASA and U.S. companies are looking for insights to inform their own moon shots.

Bigelow Aerospace has constructed a ground-test unit of its massive Mars Transporter Testing Unit BA-330 space habitat for NASA tests on Earth.

NASA Puts Bigelow Aerospace's Giant Inflatable Space Habitat Prototype to the Test (Photos)

By Mike Wall

NASA is currently conducting a two-week ground test on Bigelow Aerospace's B330 habitat here at the company's headquarters, assessing the module's suitability as a deep-space astronaut abode.

Science & Astronomy

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A close-up of the Rho Ophiuchi cloud complex, captured by astrophotographer Miguel Claro from the Cumeada Observatory, the headquarters of the Dark Sky Alqueva Reserve in Reguengos de Monsaraz, Portugal.

Rho Ophiuchi's Colorful Cosmic Clouds Glisten in Starry Deep-Space Photo

By Miguel Claro

One of the most colorful wonders of the summer sky in the Northern Hemisphere, especially for deep-sky photographers, is the Rho Ophiuchi cloud complex.

The Harvest Moon of 2017 rises over NASA's Goddard Space Flight Center in Greenbelt, Maryland, in this photo by NASA photographer Debbie McCallum.

Harvest Moon 2019: When and How to See September's 'Micro' Moon

By Joe Rao

The full moon of September 2019 also carries the title of the Harvest Moon for those living in the Northern Hemisphere.

Search For Life

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In a study published Sept. 11, 2019, researchers detected water vapor in the atmosphere of exoplanet K2-18b. This artist’s impression shows the planet K2-18b, its host star and an accompanying planet in this system.

A Visit to Watery Super-Earth Alien Planet K2-18 b Would Be Super-Strange

By Mike Wall

The alien planet K2-18 b would be a truly exotic vacation destination.

This artist’s illustration shows the planet K2-18 b, its host star and an accompanying planet in this system. K2-18 b is now the only super-Earth exoplanet known to host both water and temperatures that could support life.

The Water Vapor Find on 'Habitable' Exoplanet K2-18 b Is Exciting — But It's No Earth Twin

By Mike Wall

Astronomers are finding more and more alien worlds that may be capable of supporting Earth-like life, but none of them so far are carbon copies of our home world.

An artist's depiction of NASA's Cassini spacecraft flying through plumes shooting out of Saturn's moon Enceladus.

On Icy Moons, Alien Life May Go with the Flow of Ocean Currents

By Meghan Bartels

One of the key determinants of which worlds can host life may lie in the motion of their oceans.

Skywatching

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An artistic depiction of an asteroid flying past Earth.

Watch an Asteroid Fly by Earth Today in a Live Webcast from Slooh!

By Elizabeth Howell

This weekend you can see live telescope views of an asteroid hurtling past Earth, thanks to astronomy broadcaster Slooh.

A close-up of the Rho Ophiuchi cloud complex, captured by astrophotographer Miguel Claro from the Cumeada Observatory, the headquarters of the Dark Sky Alqueva Reserve in Reguengos de Monsaraz, Portugal.

Rho Ophiuchi's Colorful Cosmic Clouds Glisten in Starry Deep-Space Photo

By Miguel Claro

One of the most colorful wonders of the summer sky in the Northern Hemisphere, especially for deep-sky photographers, is the Rho Ophiuchi cloud complex.

The Harvest Moon of 2017 rises over NASA's Goddard Space Flight Center in Greenbelt, Maryland, in this photo by NASA photographer Debbie McCallum.

Harvest Moon 2019: When and How to See September's 'Micro' Moon

By Joe Rao

The full moon of September 2019 also carries the title of the Harvest Moon for those living in the Northern Hemisphere.

Entertainment

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Spectators watch SpaceX's Crew Dragon Demonstration Mission 1 launch from Pad 39A of the Kennedy Space Center in Cape Canaveral, Florida on March 2, 2019.

NASA Nabs Emmy Nominations for SpaceX Launch, Mars Landing

By Tariq Malik

NASA coverage of SpaceX's Crew Dragon test flight and the InSight landing on Mars have nabbed two Emmy nominations for 2019.

Space pirates on the moon…every Apollo astronaut’s worst nightmare. The moon is not a peaceful place in "Ad Astra" starring Brad Pitt.

'Ad Astra' Sneak Peek: Moon Rover Chase Is a Fight Against Space Pirates

By Scott Snowden

A new "sneak peek" video of the space thriller "Ad Astra" reveals pirates on the moon are behind the lunar buggy chase.

The space thriller "Ad Astra" starring Brad Pitt gets the haunting soundtrack from Dev Hynes of Blood Orange, who used real sounds from space and historic missions to score this video.

'Ad Astra' Gets Haunting Score from Dev Hynes of Blood Orange (Exclusive Video)

By Tariq Malik

The space thriller "Ad Astra" starring Brad Pitt is almost here and now you can see a haunting glimpse at the science fiction film courtesy of musician Dev Hynes of Blood Orange.