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Space exploration and travel

A new study suggests also looking for "bioessential" elements when searching for alien life.

Charles Q. Choi, Contributor

Just as sailors can look to constellations for their bearings, interplanetary travelers could use pulsars to navigate the universe.

Abigail Malate, Staff Illustrator

Enjoy a rainbow of pictures this month, featuring Hubble's 28th anniversary image and the richest image of the Milky Way Galaxy yet.

Abigail Malate, Staff Illustrator

On an April weekend, engineers, designers and astronauts-in-training met to test suits for commercial, suborbital spaceflight.

Charles Q. Choi, Contributor

We explore how powerful your laser needs to be to get noticed on Mars and beyond.

Yuen Yiu, Staff Writer

We start the year with a selection of images that look toward distant stars.

Abigail Malate, Staff Illustrator

Strange alien sights from our solar system and beyond.

Abigail Malate, Staff Illustrator

A round-up of the latest astronomical illustrations and a salute to Cassini.

Abigail Malate, Staff Illustrator

There’s a bunch of space trash floating around Earth, it’s moving superfast, and now we have lasers to help keep an eye on it.

Karin Heineman, Executive Producer

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