Aries? Here’s your constellation

How to see Aries the Ram in your night sky, plus info about this constellation in astronomy history and mythology.

Researchers describe 71 new species in 2019

New species from 5 continents and 3 oceans include geckos, goblin spiders, flowering plants, and Mediterranean ants.

Explained! Enceladus’ enigmatic tiger stripes

How did the so-called tiger stripes – huge parallel cracks – form in the icy surface of Saturn’s moon Enceladus? A new study from the Carnegie Institution for Science provides some answers.

Meet the microorganism that likes to eat meteorites

At least one type of microbe on Earth not only likes to eat meteorites but actually prefers them as a food source, according to a new international scientific study.

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Why White Island erupted yesterday … and why there was no warning

White Island is one of several volcanoes in New Zealand that can produce sudden explosive eruptions at any time. An Earth scientist explains why.

Christmas Bird Count starts December 14

It’s time again for the Audubon Society’s annual Christmas Bird Count. This is the project’s 120th year! Learn how to join the count here.

All you need to know: This weekend’s Geminid meteor shower

The Geminid meteor shower – one of the highlights of the year for stargazers – will peak around the mornings of December 13 and 14, 2019, though under the light of a bright waning gibbous moon.

New Zealand volcano is on the Pacific Ring of Fire

Here’s information about New Zealand’s White Island volcano – which erupted on Monday, December 9 – in the context of the Pacific Ring of Fire.

Why is Mars sometimes bright and sometimes faint?

In 2018, Mars was brighter in our sky than it had been since 2003. In 2019, Mars was mostly faint and inconspicuous. But 2020, here we come!

Hefty black hole holds new record for high mass

Astronomers have discovered a black hole with 40 billion solar masses in the heart of the Abell 85 cluster of galaxies.

New biomass map takes stock of Earth’s carbon

ESA released the 1st of a series of global maps aimed at quantifying change in carbon stored as biomass across the world’s forests and shrublands.

Interstellar object closest to the sun today

The fascinating object 2I/Borisov has been steadily brightening as it nears its encounter with our sun. It’ll pass closest to the sun on December 8, 2019, then flee again toward interstellar space.

Astronomers catch a comet outburst

Remember comet 46P/Wirtanen? It was a bright comet about this time last year. Around the time it swept near the Earth and sun, the comet entered the field of view NASA’s TESS planet-hunter. And boom! It underwent an outburst, caught by TESS.