Space News & Blog Articles

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This Week's Sky at a Glance, February 27 – March 8

Jupiter forms a T with the Moon, Pollux, and Castor on Friday February 27th. Low in the western twilight, Saturn and Venus close in on each other. And can you catch the total lunar eclipse on the morning of March 3rd?

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Get Ready for the March 3, 2026, Predawn Total Lunar Eclipse

A total eclipse of the Moon will be visible before dawn this Tuesday, March 3rd, from western North America. The eclipse happens on Tuesday evening for Australia and East Asia.

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Dawn Delight: Total Lunar Eclipse on March 3rd

March opens with a spectacular total lunar eclipse. Our guide will help you make the most of it.

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Astronomers Witness Transformation of One of the Largest Stars

One of the largest known stars — a red supergiant — suddenly shrank and heated up, transforming into a different kind of star.

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Solar Photography: Catch the Sun

The solar cycle has ramped up, and it's a great time to photograph this captivating target.

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Telescopes: To Build or Buy?

A purely pragmatic look at the cost of doing it yourself.

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Pushing Glass: How to Grind Mirrors

Grinding your own mirror can be great fun - and result in an excellent telescope.

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Science with Astrophotography

Your pretty pictures can contain valuable information.

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The Future of Deep-Sky Astrophotography

Deep-sky astrophotography is rapidly evolving, and in some ways, the future is already here.

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Star Power: Stellar Images with PixInsight

Taking special care of the stars in your astrophoto will make the entire image shine.

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What Makes a Good Planetary Telescope

The best optic for resolving fine planetary detail has changed over time.

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Building an Ultra-portable Dobsonian

Here's a lightweight reflector that fits in your carry-on luggage.

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Sewing Up Nightscapes

Panoramic mosaics can show far more than a single image ever can.

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A Planetary System That Breaks the Rules

The unexpected arrangement of exoplanets around a star more than 100 light-years from Earth might change how we think about planet formation.

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This Week's Sky at a Glance, February 20 – March 1

Three of the five naked-eye planets emerge in the fading afterglow of sunset. The first-quarter Moon Tuesday passes as close to straight up as you may ever see it. And can you try for Sirius B?

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Rocket Reentry Leaves Lithium in Earth's Upper Atmosphere

Space debris are contaminating our atmosphere at very high altitudes – and we don't yet understand the effects.

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Europe's RAMSES Mission to Asteroid Apophis Moves Ahead

The RAMSES mission to the asteroid Apophis will launch in 2028 to meet the asteroid before its close encounter with Earth.

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We Have Visitors: Interstellar Material from Nearby Debris Disks

Traversing the galaxy from places yet known, a few interstellar objects have taken a quick dip into our solar system. Astronomers look to nearby planet-forming stellar systems as possible launching posts.

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Astrophotography: Primer for PixInsight

Master the basics of the most popular astronomical image-processing software.

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Photometry: Measuring the Stars

Here's how you can contribute to the science of astronomy.

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"Ice Volcano" Eruption Makes Comet 29P/Schwassmann-Wachmann Shine

After a recent explosive outburst, Comet 29P/Schwassmann-Wachmann is bright enough to see in a medium-sized telescope.

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