It was once thought that when an aging star engulfed a planet it would be a dramatic event. Now, the Webb telescope has ...

A new study based on two decades of data shows what happens in an ocean ecosystem without great white sharks. Great white ...

New observations upended scientists' standing hypothesis about how a star would engulf a planet, causing its demise.

The first four humans to orbit Earth’s poles are sharing their experiences from their historic mission. In a discussion with ...

K2-360 is a newly found planetary system with a super-dense planet, likely the core of a former larger world, shaped by ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

Here’s when Earth Day 2025 is, what it is, what the theme is this year and how to get involved with Earth Day events around ...

"L 98-59 c could be the first planet smaller than 2 Earth radii with a definitively detected atmosphere," a team of ...

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.

British-built Mars rover stuck on Earth could soon be on its way to the Red Planet The £150m contract from the UK Space Agency for Airbus to replace the Russian landing system puts the mission ...

The moon slipped between the Earth and the sun on Saturday, casting a shadow on our planet in parts of the ... other 2025 event that’s out of this world with our space and astronomy calendar.

The peace talks between Russia and the U.S. in Saudi Arabia beginning Monday could see Moscow offer Washington access to rare earth materials. Newsweek's map below illustrates Russia's rare earth ...