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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

Astronomy for beginners, Astrophotography, Observing Basics, Solar System

Beginner’s guide: How to photograph comets

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