Breakthrough Starshot: A voyage to the stars

Using laser-propelled lightsails, tiny spacecraft could venture to the Sun’s nearest neighbor in just a few decades.

Apollo 14: Bouncing back from disaster

After the ill-fated Apollo 13 mission, NASA returned to the lunar surface with Apollo 14 — overcoming gremlins along the way.

Apollo 14 in 3D

Relive the 50th anniversary of Alan Shepard’s lunar adventures with stereo images that transport you to the Moon.

The Moon turns red

Our only natural satellite submerges itself in Earth’s shadow this month.

Explore the extreme southern sky

Don’t miss out on these Southern Hemisphere clusters, nebulae, and galaxies.

We test Celestron’s StarSense Explorer

Guided by your smartphone, these scopes are easy to use and on target every time.