Eleanor Imster
Yellow half circle on black background with white ring and a spacecraft in the middle of the image.

Saturn hasn’t always had rings

New findings suggest that Saturn’s rings formed only 10 to 100 million years ago, during the earthly age of the dinosaurs.

Easter Island monument mystery solved?

Researchers have long wondered why ancient people built the famous Easter Island monuments where they did.

Silhouettes of a man with his arming raised to throw, and 3 golden retrievers, on a beach against a yellow-orange sunset background.


Seaside, Oregon, at sunset.

Black cricket on a green leaf

Insects get old before they die

Short-lived insects, like crickets, “get old,” – that is, lose some of their physical abilities – before they die, new research shows.

White circular smudge or reddish background.

Video: 15 years of Mars images

ESA’s Mars Express spacecraft began sending back images from its orbit around Mars in January 2004. Take 5 minutes to see some of the coolest images of the mission so far.

Whales share songs from other oceans

Singing humpback whales from different ocean basins seem to be picking up musical ideas from afar, and incorporating these new phrases and themes into their songs.

Here’s how Titan looks in infrared

Saturn’s largest moon Titan is enveloped in a thick atmosphere, but the infrared camera on the Cassini spacecraft was able to reveal the moon’s myriad of surface features.

Ship on the water with a buoy in the foreground.

Oceans warming even faster than thought

A new analysis has found that Earth’s oceans are heating up 40% faster than a United Nations panel estimated 5 years ago.

The shrinking Aral Sea

The Aral Sea was once the world’s 4th-largest lake. But in the 1960s, the Soviet Union diverted 2 major rivers to irrigate farmland, and the Aral Sea has been slowly disappearing ever since.

Light blue sphere with darker blue center.

Thousands of stars, including our sun, destined to turn into crystals

Astronomers now have the 1st direct evidence that white dwarf stars form crystal cores. Our sun is destined to become a crystal white dwarf in about 10 billion years.