Top news for December 21, 2008

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Why I'm hunting for Comet PanSTARRS right now — before it's too late

A worst-case solar storm could knock out satellites, GPS and power grids, report warns

Huge Northrop Grumman Cygnus XL cargo ship arrives at space station

Millions of Americans now consult AI before, after — and sometimes instead of — seeing a doctor - EurekAlert!

Contours of the James Bay Lowlands

SpaceX launches two Starlink satellite groups 19 hours apart

New method can reduce risk of violating Sámi rights - EurekAlert!

One device, two futures: How reversible solid oxide cells could reshape clean energy - EurekAlert!

Comet Tracker: See PanSTARRS Thursday In Once-In-170,000 Years Chance