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Human Spaceflight

NASA shares new details on Artemis 3 pre-lunar landing mission

Telescopes of the Allen Telescope Array sit beneath a starry night sky. The array is designed to listen for signals sent or generated by extraterrestrial life.

Alien Life, Features

Should we keep looking for ET?

An image of the Milky Way night sky taken through a modified DSLR

Astrophotography, Observing

Modifying your DSLR for astrophotography

A dense cluster of silver and gray spacecraft components, rocket parts, and satellite fragments floats against a black starfield, packed tightly on the left side of the frame and thinning into scattered individual pieces toward the right. The objects range from large cylindrical rocket stages and solar panel arrays to small bolts and twisted metal fragments.

Solar activity determines how fast space junk falls to Earth

Picture of the Day

A dark, jagged hilltop topped by a small church stands against a glowing night sky filled with stars. The Milky Way arches high overhead as a bright, dense band of light, with streaks and clumps of dark dust and red gas fading into a softer, mottled glow. The horizon is lit by a faint warm haze, separating the dark foreground from the richly textured starfield above.

Winter is fading

📷 Ash Sayedi

The Milky Way’s winter arc is draped across St. Michael’s Church atop Brent Tor in Devon, England, in this scene captured April 6, 2026. The imager combined seven-panel panoramas for sky and foreground, using a 14mm lens on a modified mirrorless camera with tracked sky exposures of 90 seconds at f/2 and ISO 640 and foreground exposures of 5 seconds at f/8 and ISO 200.

In the Sky

A telescopic photograph of the Whale Galaxy (NGC 4631), an edge-on spiral galaxy appearing as a long, thin streak of blue and white light with a bright, mottled core, set against a black sky filled with foreground stars. A smaller companion galaxy is visible just above the main galaxy near the center of the image.

The Sky Today on Saturday, May 16: Whale watching

What’s Launching This Week

What’s Launching This Week

SpaceX’s most powerful Starship yet is cleared for launch

Today in the History of Astronomy

Today in the History of Astronomy

May 16, 1925: The birth of Nancy Grace Roman

More News

A crescent moon glowing brightly against a deep dark blue night sky, flanked by two planets, Jupiter and Venus, visible as small bright points — one to the upper left and one to the lower right.

Sky This Week, The Sky This Week

The Sky This Week from May 15 to 22: The Moon greets Jupiter and Venus

An illustration of a satellite breaking apart as it plunges toward Earth's atmosphere, shown against a dark starfield with the white cloud layer of Earth visible at the lower right. The spacecraft's orange and tan body is engulfed in orange flame and brown smoke, with blue solar panels, a silver dish antenna, and other fragments flying outward in all directions.

Falling space debris poses an escalating risk as spacecraft get stronger and more heat-resistant

10 great spring binocular sights

Did time move slower right after the Big Bang?

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