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A Supergiant Star and its Companion

Using new observations from the Hubble Space Telescope and ground-based observatories, astronomers tracked the influence of a recently discovered companion star, Siwarha, on the gas around the 10th brightest star in our night sky—Betelgeuse.

Detecting Siwarha’s Wake

Chandra X-ray Observatory

Supernova Remnant

Webb Space Telescope

Rare Kinds of Dust

IXPE

Measuring a White Dwarf Star

Return to the Moon

Four astronauts will venture around the Moon on Artemis II, the first crewed mission on NASA's path to establishing a long-term presence at the Moon for science and exploration through Artemis. 

Artemis II

THE EXPLORERS

Our Artemis II Crew

THE ROCKET

Space Launch System

THE SPACECRAFT

Orion

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Final Steps Underway for NASA’s First Crewed Artemis Moon Mission

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NASA’s Pandora Satellite, CubeSats to Explore Exoplanets, Beyond

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6 Min Read

Flight Engineers Give NASA’s Dragonfly Lift

Article
1 Min Read

NASA Starts Up Gateway’s Power System for First Time

3 Min Read

Expedition 74 Preps for Crew Departure, Keeps Up Advanced Research

Blog
2 Min Read

Space Station Research Informs New FDA-Approved Cancer Therapy

Article
6 Min Read

NASA’s Hubble Examines Cloud-9, First of New Type of Object

Article
3 Min Read

What’s Up: January 2026 Skywatching Tips from NASA

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What’s Up?

In January, skywatchers can observe Jupiter at its biggest and brightest all year, the Moon and Saturn pair up, and the Beehive Cluster buzzes into view.

Skywatching Tips

Solar System Exploration

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Jupiter

Saturn

Earth’s Moon

Skywatching

Best of 2025: Artemis II SLS (Space Launch System) Projected on Washington Monument

Images depicting NASA’s Space Launch System (SLS) rocket are projected onto the Washington Monument as part of an event to kick off the nation’s 250th birthday year, Wednesday, Dec. 31, 2025, in Washington.

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James Webb Space Telescope Gallery

36 Images

Hubble Space Telescope Gallery

415 Images

Chandra X-ray Observatory Gallery

163 Images
4 Videos

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