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Mercury, shown in an enhanced-color image from NASA’s Messenger probe. Credit: NASA / JHU Applied Physics Lab / Carnegie Inst. Washington

Astronomy for beginners, Observing, Observing Basics, Planets

How to observe planets with a small telescope

The Andromeda Galaxy is the nearest large galaxy to us. Credit: Massimo Di Fusco

Astronomy for beginners, Science

20 strange but true space facts

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

A composite of two different times, as seen by Curiosity on Mars

Robotic Spaceflight, Solar System

What time is it on Mars?

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

The solar nebula that birthed the Sun and its stellar siblings likely resembled the Orion Nebula. Credit: NASA,ESA, M. Robberto (Space Telescope Science Institute/ESA) and the Hubble Space Telescope Orion Treasury Project Team

Science, Solar System

Tour the inner solar system

Listen: Dave Eicher talks Starmus in Slovakia

Illustration of a kilonova

Is gravity instantaneous?

The Large Hadron Collider at CERN

Does E = mc^2 hold true for dark matter and dark energy?

NASA astronaut Loral O’Har exits the ISS to begin a space walk on Nov. 1, 2023. Credit: NASA.

Human Spaceflight, Space Exploration

Watch: American astronauts spacewalk outside the ISS

NASA shared this image of clouds and storms on Jupiter that resemble a face. Credit: NASA/JPL-Caltech/SwRI/MSSS Image processing by Vladimir Tarasov

Science, Solar System

NASA shares image of spooky ‘face’ on Jupiter