Running chickens in the sky. Can you see them?

New Horizon probe, on the fast track to Pluto, takes a passing snap of Jupiter.

Kuiper belt object Eris gets a new estimate of size and weight.

Building tools to simulate a solar system.

Volcanic plumes on Jupiter's moon Io.

Finding Jupiter in the sky to see it for yourself (June 2007).

A spectacular image of Saturn and a lesser object by Cassini.

Astronomy from the front of a T-shirt.

It is 20 April in the Canberra region. The autumn evening temperature is rapidly dropping toward what will be the lowest temperature of April: 3.6 deg. Celsius. Despite the conditions, five amateur astronomers are setting up across the region to watch the rather nondescript star HIP 59807 in the …

Galactic collisions and the Antenna Galaxies