22:15 01 December 2009

The Mars Reconnaissance Orbiter has been offline since August – now, the Odyssey probe is down as well, spelling delays for the twin rovers, which use the orbiters to communicate with Earth

21:03 01 December 2009

A new study suggests that lakes on the Saturn moon may not be just a 'flash in the pan', giving potential life longer to develop

18:00 01 December 2009

Today's stories on newscientist.com, at a glance, including: five eco-crimes we commit every day, why the evidence in the Amanda Knox murder trial might be flawed, and the winners of our calendar competition

17:18 01 December 2009

The first randomised controlled trial in very young children seems to settle the question of whether early screening and treatment are worthwhile