Follow the foot traffic. Sidewalk astronomers often set up at street fairs, outdoor events, nightlife hotspots, or by any venue where a lot of people tend to pass by. If you want to set up at an event ...

In February 2026, Jennifer Vaughn took the helm as chief executive officer of The Planetary Society. Jenn first joined the Society’s staff in 1997 as an editorial assistant for The Planetary Report, ...

Did you know that the Moon looks different from Earth’s northern and southern hemispheres? Someone looking at the Moon from our north pole would see it upside down compared to someone seeing it from ...

Should I be worried about asteroids hitting Earth? You shouldn’t lose sleep over it. Damaging asteroids do not hit Earth very often. But you should care about it, because dangerous asteroids have ...

NASA’s Parker Solar Probe is one of the most daring missions in the Solar System. Led by the Applied Physics Laboratory at Johns Hopkins University, the mission made history in 2021 when it became the ...

The farside also lacked the Moon’s familiar dark splotches. Formed as a result of active volcanism over 3 billion years ago, it was anyone’s guess why dark lava plains cover about 31% of the nearside ...

When an astrobiologist says “life is hard,” they may be speaking on a cosmic level. They could mean that life itself is a puzzle we are nowhere near solving. “We’re like second graders when it comes ...

We’re not the only world with dazzling auroras. Moons, planets, and even comets can have their own light shows, and some are very different from what we have on Earth. Auroras can be big or small, ...

If you’re getting ready to witness an eclipse, you’ll encounter some vocabulary that you might not know. Here is your complete guide to the terminology used to talk about total solar eclipses, partial ...

What happens when scientists fundamentally disagree about planetary bodies? It happens more often than you might think. These disagreements are often fundamental: How did the Moon get its craters?

The success of Artemis II firmly entrenched the Moon as the central focus for the United States’ human spaceflight program. Mars, which briefly captured the attention of the president last year, has ...

Pasadena, CA (January 26, 2026) — After 15 years of transformative leadership, Bill Nye will step down as CEO of The Planetary Society and transition into two new roles: Vice Chair of the Board of ...