Astronomy Essentials
Tonight
Visible planets and night sky guide for May
Visible planets and night sky guide for May 2024. This evening, the almost full moon will lie near the bright, red star Antares in Scorpius the Scorpion.
Earth
Warm-blooded dinosaurs emerged 180 million years ago
Warm-blooded dinosaurs arose about 180 million years ago, during the Jurassic Period, in response to changes in climate, according to a new study.
Moon Phases

May’s full moon is called the Flower Moon

The May full moon occurs in the morning of May 23, but looks full on the previous evening and as it rises on May 23. Learn more about the Flower Moon.
Brightest Stars
Sun

Sun news May 23, 2024: Long filament explodes into a gorgeous prominence

Sun news for May 23, 2024. Long transequatorial filament lifts plasma and explodes into a gorgeous prominence. Former active region AR3663 is coming back.
Earth

Killer whales take 1 breath between dives

Killer whales take 1 breath between dives. New data from tags attached to the animals and observations from unmanned aerial vehicle drones have verified it.
Space

Juno images of Europa reveal a complex, active surface

NASA has released some images of Europa, the ocean moon of Jupiter. They provide new clues about the moon's ice shell and other intriguing surface features.
Astronomy Essentials

What’s a galaxy? All you need to know

What is a galaxy? We live in a galaxy called the Milky Way. But there is so much more to know about these grand and glorious star islands in space!
Human World

Scientists discover a nitroplast, the 1st of its kind

Scientists announced the discovery of the first nitroplast, a nitrogen-fixing organelle. It's just the 4th example in history of primary endosymbiosis.
Spaceflight

Boeing Starliner 1st crew launch postponed to May 25

The 1st crewed Boeing Starliner launch to the International Space Station was postponed to May 25 due to a rocket issue. Get updates here.
Earth

Colorful iguanas are our lifeform of the week

Iguanas are formidable, armored reptiles that can change color and detach their tails. Plus, they have a third eye! All you need to know about iguanas, here.