NOAA announces the arrival of El Niño

This year’s El Niño is likely to be weak, with little influence on weather through early spring, say NOAA forecasters.

Stonehenge mystery solved?

A new study suggests that Europe’s ancient megaliths, including Stonehenge, might have stemmed from a single hunter-gatherer culture in what’s now northwestern France.

Volcanic activity under Mars’s surface?

Mars has long been thought to be a geologically dead world. Could there still be volcanic activity beneath its surface? A subsurface lake at Mars’ south pole suggests that possibility.

Ancient spider fossils have reflective eyes

A remarkable set of fossil spiders found in South Korea display reflective eyes.

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Today in science: Galileo’s birthday

Happy 455th birthday to one of the first modern scientists, Galileo. With the aid of an early telescope, he helped remove Earth from the center of the universe.

Today in science: The Chelyabinsk meteor

On February 15, 2013, a small incoming asteroid created a meteor – brighter than the sun – over Russia. It exploded in the air over the city of Chelyabinsk.

From Chelyabinsk to Cuba: The meteor connection

The scientific team that used YouTube videos to determine the trajectory of the Chelyabinsk meteor used the same method to track the trajectory of the bright meteor that crossed the sky over Cuba on February 1.

5 things about radiation donuts, in 2 minutes

Did you know that our planet has radiation donuts? These giant, donut-shaped clouds of radiation are called the Van Allen Belts.

Mars Opportunity rover ends its mission

The Mars Opportunity rover, built to last 90 days, has ended its mission after 15 years on the red planet.

For you, Valentine: 10 reasons we fall in love

On this Valentine’s Day 2019, what the world of science suggests about the mystery we call love.

How animals love

“The animal world tells us again and again and again that love is really important.”

New Hubble images show storms on Uranus and Neptune

Uranus and Neptune – the ice giants of the solar system – are distant worlds last visited by the Voyager 2 spacecraft in the late 1980s. But the Hubble Space Telescope is still keeping an eye on them and their dynamic atmospheres.

Another huge impact crater under Greenland ice?

A glaciologist has discovered a possible 2nd impact crater buried under more than a mile of ice in northwest Greenland.