Features

Great Discoveries

In the 25 years since ASTRONOMY first appeared, new findings have radically changed astronomers’ view of the cosmos.

Stars’ Last Gasps

Hubble takes a close look at what happens to sunlike stars when they reach the end of their lives.

Wanted: Life-Bearing Planets

Having found a cornucopia of large planets in our galaxy, astronomers are now debating how best to search for more-Earthlike ones.

Larger than Life

The untimely death of David Schramm took from us one of the world’s top theoretical cosmologists.

Hollywood: A Full Moon in Every Plot

Twinkling stars and loud explosions abhor the vacuum of space – except in the minds of moviemakers.

When the Apple Falls

Astronomy, physics, and mathematics were changed forever by a troubled genius – Sir Isaac Newton.

Deep-Sky Splendors: Ursa Major

Home to the famous Big Dipper star group, Ursa Major also harbors a bevy of bright galaxies.

Ask Astro

We answer your questions about the sky and the universe.

CCD Cameras Get Savvy

The easy-to-use ST-7 and ST-8 are well-rounded imagers that offer a nifty self-guiding feature.

Where Stars Are Born

If you’re up for a challenge, hunt down these stellar nurseries in distant galaxies with a medium-sized scope.

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