Bob King
Astrophotographers Capture Dramatic Photos of Comet Siding Spring Approaching Mars
Astrophotographer Damian Peach shares this spectacular image of comet C/2013 A1 Siding Spring approaching Mars taken just hours ago. The faint comet…
Were Lunar Volcanoes Active When Dinosaurs Roamed the Earth?
The Moon's a very dusty museum where the exhibits haven't changed much over the last 4 billion years. Or so…
How to See Comet Siding Spring as it Encounters Mars
With excitement building as Comet Siding Spring rapidly approaches the Red Planet, we'll soon have the opportunity to spot it…
How to Take Great Photos of the Lunar Eclipse
Ready for Wednesday's morning lunar eclipse? Some people - and I envy them at times - treat an eclipse more casually.…
Rosetta’s Comet in Thrilling 3-D
She's gonna blow! Rosetta's navigation camera recently grabbed our best view yet of the geyser-like jets spraying from the nucleus of Comet…
PanSTARRS K1, the Comet that Keeps Going and Going and Going
Thank you K1 PanSTARRS for hanging in there! Some comets crumble and fade away. Others linger a few months and move…
MAVEN Arrives at Mars! Parks Safely in Orbit
138 million miles and 10 months journey from planet Earth, MAVEN moved into its new home around the planet Mars this evening. Flight…
How to Take Great Pictures of the Northern Lights
Everybody loves pictures of the northern lights! If you've never tried to shoot the aurora yourself but always wanted to, here…
Will Aurora Strike Tonight? Here’s What to Expect
(Scroll down for latest update) Auroras showed up as forecast last night beginning around nightfall and lasting until about 1 a.m.…
Clear Skies Tonight? Go Out and See the Aurora
Talk of aurora is in the air. Our earlier story today by Elizabeth Howell alerted you to the possibility of…