Magazine

Science

If nothing can travel faster than light, and the universe is 13.7 billion years old, how can two galaxies lie 10 billion light-years from us in opposite directions?

Observing

The Moon stands front and center

Science

Bob Berman’s strange universe: See it to believe it

Science

Is there any way photons could contribute to the mysterious dark matter?

Observing

Glenn Chaple’s observing basics: All aboard Chaple’s Arc

Observing

What typical magnifications did 19th-century observational astronomers use for lunar and planetary viewing?

Exoplanets

Everything you need to know about exoplanets

Exoplanets

Growing exoplanets

Science

Phil Harrington binocular universe (October 2006 online extra)

Science

Urban astroimaging delights

Science

October 2006 book reviews

Observing

Glenn Chaple’s observing basics: Bust out the big boy