Features

Lone Star Infants

How could a nearby star system just 10 million years old lie so far from any region of star formation?

Stellar Graveyard

Dozens of dying stars found by the Hubble Space Telescope in the globular cluster M4 could help establish the age of the universe.

The Remarkable Odyssey of Jane Luu

Meet an astronomer who as a child escaped war-torn Vietnam and later helped expand the boundaries of our solar system.

Wormholes and Spacetime Paradoxes

Some theorists think wormholes may hold the secret to traveling through space and time.

Sky Almanac

The evening sky offers the Moon passing just south of Venus and Saturn’s rings turned edge-on one last time.

Here Comes Hale-Bopp

What may be the brightest comet in 20 years should put on a spectacular display over the next 15 months.

Come-As-You-Are Astrophotography

Create stunning nightscapes with the simplest equipment.

Tracking a Distant Comet World

Big-scope owners can take the challenge of finding Chiron, the distant asteroid-turned-comet that reaches perihelion this month.

Beat Back the Dew Blues

Rid your observing session of annoying dew and frost.

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