Posts by 

Eleanor Imster

Video: Predator X, most powerful marine reptile ever

This deadly hunter had a skull twice the size of a Tyrannosaurus rex's, and a bite force unmatched by anything in the Jurassic seas. Cool video!

Watch the pulse of New York City, measured in tweets

Scientists observe the daily heartbeat of different areas of New York City, through the lens of Twitter.

East Tennessee early snow

Snow fell in the east Tennessee hills on the first day of November.

Video: How to land on a comet

On November 12, the Rosetta spacecraft will attempt something "ridiculously difficult:" landing a probe on the surface of a speeding comet.

Cool facts about your biological clock

Feeling tired after turning the clock back? That's because the internal clock that controls your circadian rhythms needs time to adjust.

2014 Antarctic ozone hole holds steady

The Antarctic ozone hole reached its annual peak size in September. The size of this year’s hole was about the same as last year's.

Night spider

"She waits patiently through the night on her invisible web, stars dimly glowing in the background..."

Where is the missing Deepwater Horizon oil?

Researchers trace oil from the 2010 Deepwater Horizon spill to the Gulf of Mexico’s deep floor.

A week of solar flares at one giant sunspot

The biggest sunspot on the face of the sun in more than two decades erupted on October 26 with its sixth substantial flare in a week.

Cool composite of Comet Siding Spring near Mars

Hubble image of close passage of Comet Siding Spring near Mars. The comet passed Mars at about a third the distance between Earth and the moon on October 19.