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The curvature of the Earth is visible in this 2014 photo, which ESA astronaut Samantha Cristoforetti snapped from the International Space Station. Source: NASA/Samantha Cristoforetti

Astronomy for beginners, Science

Why Earth is not flat: The conspiracy debunked

Neil Armstrong was the first man on the Moon — but only a few pictures from the crew’s cameras show him on his historic moonwalk. In one of them (above), he is visible as a reflection in Buzz Aldrin’s helmet. Credit: NASA

Astronomy for beginners, Space Exploration

5 facts about NASA you might not know

The cosmic microwave background (CMB) is a snapshot of the early universe; it is the oldest light we can see. This light has been Doppler shifted into the microwave portion of the spectrum, outside the realm of naked-eye observing. In this image, generated with data from the Planck satellite, different colors represent tiny temperature fluctuations in the universe. Credit: ESA and the Planck Collaboration

Astronomy for beginners, Science

4 things you might not know about space

Astronomy for beginners, Deep-Sky Objects

Observe the constellation Auriga: This Week in Astronomy with Dave Eicher

Astronomy for beginners, Deep-Sky Objects

Explore little-known winter treats in the constellation Taurus

Astronomy for beginners

Explore the constellation Orion: This Week in Astronomy with Dave Eicher

A colorful shot of the Orion Nebula, created by blending multiple sets of long exposures. Credit: Alan Dyer

Astronomy for beginners, Deep-Sky Objects, Observing Basics

Best deep-sky objects for beginners

Astronomy for beginners

Why your zodiac sign is probably wrong

Astronomy for beginners

Letter to Starmus: A volunteer reflects on the star-studded festival

Astronomy for beginners

Starmus Festival rocks Armenia with help of Queen guitarist Brian May

Astronomy for beginners, Observing

The ABCs of stargazing

Astronomy for beginners, Observing, Observing Basics

How to use small telescopes for wide-angle stargazing