Space
Icy rain from Saturn’s rings is heating the planet
A new discovery shows an icy rain from Saturn's rings affects the planet's atmosphere. This insight could help lead to the discovery of rings around exoplanets.
Space
Brightest gamma-ray burst of ‘all time’
The brightest gamma-ray burst of all time - or at least so far - blasted into the collective consciousness of earthly astronomers on October 9, 2022.
Tonight

See 5 planets after sunset, in the sky or via video

This week you can see 5 planets arcing across the evening sky. They are Venus and Uranus, Jupiter and Mercury, and Mars. See charts here.
Sun

Sun activity: High, with 3 M flares

Sun activity for March 30, 2023. After yesterday's X flare, active region AR3256 produced three M flares over the past day. Each created a radio blackout.
Astronomy Essentials

Visible planets and night sky March and April

Visible planets: See 5 evening planets the last few days of March. They are Venus and Uranus, Jupiter and Mercury, plus Mars. The morning planet is Saturn.
Astronomy Essentials

Best targets for binoculars, for beginners

The best targets for binoculars in the night sky are the moon, planets, star clusters and nebulae. Learn what sky’s wonders you can see through binoculars.
Astronomy Essentials

Meteor shower guide: Next up, the Lyrids

Your meteor shower guide for 2023. There are some good ones! Next up ... the Lyrids in April. And then, the Eta Aquariids in May.
Spaceflight

SpaceX Starlink launches for March are complete

There were 4 SpaceX Starlink launches in March. Learn more about the launches here and find a link to locate Starlink satellites in your sky.
Earth

How wildlife can help curb global warming

A new study shows that protecting wildlife can play a huge role in carbon storage and limiting climate change. Read what animals make a big difference.
Spaceflight

The Artemis program: NASA’s mission to return to the moon

The Artemis program aims to return humans to the moon. NASA will announce the astronauts for the Artemis II mission on April 3, 2023.