A checklist for what to expect during the…

You can also see the Moon’s shadow by making a pinhole projector, holding up a colander,…

A guide to eclipse vocabulary

Lunar eclipses Lunar eclipse: A celestial event that occurs when the Earth passes between the Sun…

Lost and found | The Planetary Society

JWST has found methane and carbon dioxide in an exoplanet atmosphere. K2-18 b is an exoplanet…

The Day of Action returns to Capitol Hill

A particular emphasis was on the Mars Sample Return program, which is facing major cuts despite…

Want to experience the 2024 total solar…

Crowds versus solitude With an estimated 43.8 million people living in the path of totality, and…

What is an annular solar eclipse?

Why do annular eclipses happen? The Moon’s orbit around the Earth is somewhat elliptical, meaning it…

Equinox and equilux | The Planetary Society

The Day of Action was a great success. More than 100 space enthusiasts from around the…

Experience the Total Solar Eclipse

Win a Trip toEclipse-O-Rama! Enter for a chance to win a trip for you and a…

OSIRIS-REx returns sample from asteroid Bennu…

The sample capsule endured an intense plunge through Earth’s atmosphere that began at 10:42 a.m. EDT.…

Why partial eclipses are worth seeing

With all of these shadow effects, it’s easiest to see the crescent shapes if you cast…