How to see 2018’s brightest comet

Comet 46P/Wirtanen is closest to the sun today. It’ll be closest to Earth next week. With the moon waxing and casting more light in the sky, the time to see the comet is now. Charts, tips and other info here.

Scientists describe 229 new species in 2018

The list includes neon fish, a fast-spinning spider, moray eels, venomous snakes, and more!

What would a warmer world look like?

According to the recent IPCC Special Report, warming of 1.5°C (2.7°F) is an important threshold for many climate impacts. What might our planet look like with 1.5°C of warming?

Christmas Bird Count starts December 14

Audubon’s annual Christmas Bird Count is one of the longest-running citizen science projects in existence. How to participate.

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10 tips for watching the Geminids

#1. Geminid meteor numbers tend to intensify as evening deepens into late night, with the greatest number of meteors likely falling an hour or 2 after midnight. That’s true no matter where you are on the globe.

Voyager 2 enters interstellar space

NASA announced Dec. 10 that for the 2nd time in history, a human-made object has reached the space between the stars.

What will the sun do next?

Many have predicted a weak sunspot cycle in the years ahead, but new work from India suggests otherwise. The work dashes speculations of a sun-induced global cooling of Earth’s climate in the coming decade.

Find the Geminids’ radiant point

Why is the Geminid meteor shower best around 2 a.m.? It’s because that’s when the shower’s radiant point – near the bright star Castor in the constellation Gemini – is highest in the sky.

All you need to know: Geminid meteor shower in 2018

The peak of the Geminid meteor shower is coming up on the mornings of December 13 and 14.

Another El Niño on the horizon?

The World Meteorological Organization has said there’s a “75–80% chance” of a fully-fledged El Niño event by February, 2019. Click in for a good video from ESA describing El Niños and their global effects.

Listen to the Martian wind

NASA’s InSight lander has captured the 1st-ever sounds of Martian winds.

Watch geckos race on water!

Geckos are renowned for their acrobatic feats on land and in the air. Turns out they can also run on water.

WASP-69b, the exoplanet with a tail

Astronomers have discovered a Jupiter-sized planet – 163 light-years away – that seems to think it’s a comet. It has a prominent “tail” of helium gas.