Tonight
Equinox sun rises due east and sets due west
The 2024 March equinox occurs on March 20 at 3:06 UTC (10:06 p.m. CDT on March 19). At the equinox, the sun rises and sets due east and due west.
Earth
Titanosaurs were the biggest land animals Earth’s ever seen
Titanosaurs thrived globally after the extinction of their more famous relatives. They had over 100 species ranging from massive to relatively small.
Space

Voyager 1 spacecraft has sent a (partly) decipherable message

The Voyager 1 spacecraft started sending gibberish back to Earth in November. Now engineers have sent it a "poke" and received a message they can decipher.
Space
Sun

Are solar storms dangerous to us on Earth?

Activity on the sun affects Earth's magnetic field. It can cause geomagnetic storms and can create beautiful auroras. Are these solar storms dangerous?
Today's Image
Tonight

Eclipse day comet Pons-Brooks! Favorite photos here

Have you seen Comet Pons-Brooks yet? If not, here are some beautiful images from our talented community of photographers. Enjoy them!
Brightest Stars
Sun

Sun news: Big sunspot returned! Plus 2 M flares, CMEs coming

Sun news for March 18, 2024. Sun activity is moderate with a great mixture of action. That big sunspot is back! The March 17 filament eruption sent 2 CMEs Earthward.
Astronomy Essentials

Visible planets and night sky guide for March

Visible planets in March 2022. We're 21 days from eclipse day on April 8! Tonight , the moon visits Castor and Pollux, the Gemini "twins."
Astronomy Essentials
Tonight

Color weirdness before April’s total solar eclipse

We're counting down to the April 8, 2024, total solar eclipse, which will cross North America. Colors look eerie just before the moon covers the sun. Why?
Brightest Stars

Betelgeuse is dimming again. When will it explode?

Will Betelgeuse have another period of noticeable dimming in 2024? Betelgeuse will explode as a supernova someday. When it does, it'll be visible in daylight.
Space

Pieces of asteroid Bennu now on display for YOU!

Would you like to see a pristine sample of asteroid Bennu? Small fragments are now on display in Arizona, Texas and D.C. Learn more here.

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