Universe’s 1st type of molecule found at last

Scientists have detected the 1st type of molecule that ever formed in the universe – a combination of helium and hydrogen called helium hydride – in a planetary nebula near the constellation Cygnus.

Scientists find new surprises about Titan’s lakes

Cassini data now reveal that some of Titan’s lakes are surprisingly deep.

Huge double asteroid will pass safely May 25

Professional and amateur astronomers are gearing up to observe asteroid 1999 KW4 – oddly shaped, about a mile wide, with a companion moon – around its closest approach on May 25, 2019. Charts here for amateur observers across the globe.

Human history in your face

When you look in a mirror, the face you see is the result of millions of years of human evolution. Here’s an interview with an expert discussing how and why our modern human faces evolved to look as they do today.

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Rain over Asia foreshadows intense California heat

When heavy rain falls over Southeast Asia and the eastern Pacific Ocean, temperatures in California’s Central Valley will reach 100 degrees F (38 C) in 4 to 16 days, says a new study.

Why observe Earth Day on April 22?

April 22 is the date of Earth Day in part because of Arbor Day, an earlier observance. The focus of Earth Day 2019 is protection of Earth species.

Favorite photos for Earth Day 2019

Here’s a collection of wonderful photos from the EarthSky community in celebration of Earth Day 2019. Thank you all!

One comet, 70 thousand images

Scientists released the OSIRIS Image Viewer to make the amazing images of comet 67P – acquired by the Rosetta spacecraft – easily accessible on the internet.

Closest rocky exoplanets could support life

Intense UV radiation from red dwarf stars was thought to make potentially habitable exoplanets unable to support life. But a new study of the 4 nearest rocky worlds suggests otherwise.

Why is Easter so late this year?

Easter is this Sunday. Astronomer Guy Ottewell explains why it’s a late Easter, but not the latest it can be.

Find the Lyrid meteors’ radiant point

You don’t need to find the radiant to see the meteors. But it’s fun to spot, near the bright star Vega.

This Cthulhu-like creature crawled the ancient seafloor

Paleontologists have named the 430 million-year-old fossil of a tentacled sea creature after horror author H.P. Lovecraft’s Cthulhu monster.

Ancient ‘Texas Serengeti’ had rhinos, alligators, 12 kinds of horses

A new study of fossils unearthed by Depression-era workers reveal that camels, antelopes and relatives of modern elephants and dogs were among the animals that roamed a veritable “Texas Serengeti” millions of years ago.