Earth
What are waterspouts, and how do they form?
Waterspouts are essentially tornadoes that form over water. They happen all over the world. In the U.S., they're most common near Florida and the Gulf of Mexico.
Astronomy Essentials
Tonight
Visible planets and night sky guide for April and May
Visible planets and night sky guide for April and May 2024. On the mornings of April 26 and 27, watch for the moon close to the massive ruby red star Antares.
Brightest Stars
Sun

Sun news April 26: Auroras! More tonight?

Sun news April 26, 2024. Beautiful auroras were spotted last night, and more could be on the way tonight with G1 geomagnetic storming possible.
Space

Was asteroid Kamo’oalewa blasted from this moon crater?

A group of astronomers say their data point to a lunar origin for the near-Earth asteroid Kamo'oalewa, and that crater Giordano Bruno is the likely source.
Space

Brown dwarf auroras might cause methane emission

For the 1st time, astronomers have found methane emission on a brown dwarf. The researchers say that auroras in the brown dwarf's atmosphere may cause it.
Space

Asteroid hunt by Hubble telescope using AI

Astronomers used the Hubble Space Telescope to go on an asteroid hunt. They found over 1,000 previously unknown small asteroids in the asteroid belt.
Constellations

Meet the Chamaeleon, a southern constellation

The constellation Chamaeleon the Chameleon is a dark patch of sky that lies deep in the Southern Hemisphere and is visible any night of the year.
Space

Io’s volcanoes have been erupting for billions of years

A new study reveals Io's volcanoes have been erupting for billions of years, ever since the small moon of Jupiter 1st formed along with our solar system.
Tonight

Daytime moon is up after sunrise now

Watch for the moon in the morning sky - after sunrise - for a few days after full moon. Look west after the sun comes up!
Brightest Stars

Cor Caroli, named for the heart of a king

Cor Caroli is a binary star and the brightest star in the northern constellation Canes Venatici, the Hunting Dogs. Its name means Heart of Charles.

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