Fact-based stories from our cosmic neighbourhood, one star or constellation at a time. Name it, navigate it, know it.

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

Many tipping elements are now well-known: the Amazon rainforest, the Greenland Ice Sheet, the Atlantic Meridional Overturning ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

A 2021 astronaut photo shows a triple valley system in Argentina's Los Glaciares National Park where a massive ...

A Falcon 9 rocket lifted off from Vandenberg Space Force Base in California tonight at 9:09 p.m. EST (6:09 p.m. local ...

Forget a doomsday asteroid or melting permafrost. It’s the freezing of Earth’s core that will end the world in today’s ...

On New Year’s Day, Michael Nicolls, vice president of Starlink engineering at SpaceX, announced that the company will lower ...

Space Forge is looking to manufacture semiconductor materials in orbit, where the microgravity enables cleaner crystals.

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

It is with a heavy heart that I announce that NASA Earth Science Communications has directed The Earth Observer to conduct an ...

This edition of the northern lights is brought to you by a pair of coronal mass ejections that erupted on New Year's Day.