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Scientists spy 8th continent, Zealandia

A long-lost continent is submerged in the depths of the southwestern Pacific Ocean. Should it be recognized as a full-fledged continent?

When does the Age of Aquarius begin?

The Age of Aquarius starts when the vernal equinox point moves out of constellation Pisces and into Aquarius. When will that be? There’s no definitive answer.

Where’s the moon? Waning crescent

A waning crescent moon is sometimes called an old moon. It’s seen in the east before dawn. Next new moon is February 26 at 14:58 UTC.

Sick of watching politics? Watch live panda cam

Listen to the birds chirping and watch the giant panda loll around and chew on bamboo. Peace!

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Watch drone video of Falcon 9 landing

You’ve probably seen footage of rockets taking off, but here’s Falcon 9 returning to Earth and landing safely after its launch on Sunday.

Brightest, farthest pulsar found!

In one second, this distant pulsar – the spinning remains of a once-massive star – emits the same amount of energy as that released by our sun in 3.5 years.

How did horses evolve?

A new ‘tree of life,’ showing how horses have evolved over the past 18 million years challenges long-held ideas.

Help astronomers look for Planet 9

There might be an unknown 9th planet that orbits far from Earth, on the outer fringes of our solar system. You can help astronomers find it, if it exists!

Today in science: John Glenn

On February 20, 1962, John Glenn became the 1st American to orbit Earth and the first American space hero.

Do animals dream?

Your dog or cat might look as if it’s dreaming when its whiskers twitch and legs wiggle. But are animals really dreaming?

What is radiocarbon dating?

At a very steady rate, unstable carbon-14 gradually decays to carbon-12. The ratio of these carbon isotopes reveals the ages of some of Earth’s oldest inhabitants.

Star brightness versus star luminosity

Some extremely large and hot stars blaze away with the luminosity of a million suns! But other stars look bright only because they’re near Earth.

Last quarter moon is February 18

A last quarter moon rises around midnight. It appears half illuminated from Earth. The exact last quarter phase will come on February 18, 2017 at 19:33 UTC.