Oort cloud

Comet Lovejoy has probably passed through the inner solar system at least once already—we just weren't alive to see it.

Look hard and you can see Comet Lovejoy lighting up the night sky

Science

The last time Comet Lovejoy was visible in the night sky was 8,000 years ago. Now it’s back and visible from the Northern Hemisphere in the coming weeks, and binoculars or a telescope can give you a glowing view of the visitor.

Sedna artist rendering

The discovery of a new ‘dwarf planet’ expands our view of the solar system

Environment
Sedna artist rendering

The discovery of a new ‘dwarf planet’ expands our view of the solar system

Environment
Thanksgiving Obamacare

Obama’s having trouble fitting his turkey into the oven this year

Global Scan
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