Astronomy Essentials
Venus brightest for 2021 around December 3
Look for Venus brightest in the sky in late November and early December of 2021. Look for it west after sunset on a clear night. You can't miss it!
Earth
Intense storms from global warming, and a mission to study them
Have you noticed that, as climate warms, we're having more intense storms? NASA's upcoming INCUS mission will investigate.
Earth

Hurricanes expected to linger over cities in US Northeast

More hurricanes - like Sandy in 2021 - could be in the East Coast's future, potentially costing billions of dollars in damage and economic losses.
Human World

December birthstone: turquoise, zircon or tanzanite

The December birthstone is either the exquisite blue-green turquoise, dazzling zircon, or the magnificent blue-violet tanzanite. Your choice!
Tonight

The colors of the stars you can see with your eyes

December is the perfect time for noticing the colors of the stars. Never noticed them? Check them out tonight!
Astronomy Essentials

Visible planets – and more – in December 2021

All you need to know about finding visible planets and stars near the moon - plus meteor showers, the solstice and more - in December 2021.
Earth
Human World

Audubon Christmas Bird Count starts December 14

The Audubon Christmas Bird Count, held each winter, is one of the longest-running community science projects. You can help collect important data about birds.
Tonight

Waning moon meets Zubenelgenubi morning of December 2

The waning moon meets Zubenelgenubi, a bright star in the contellation Libra the Scales, on the morning of December 2, 2021. A pretty scene before sunup!
Space

Nearby habitable planets at Alpha Centauri?

A new custom-designed space telescope mission called TOLIMAN will search for nearby habitable planets in the closest star system to Earth, Alpha Centauri.
Astronomy Essentials

Dark nebulae: Obscuring clouds of gas and dust

Dark nebulae are clouds of gas and dust in space. They block the light of stars shining behind them. They're often places where new stars are forming.