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Articles on NASA

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Astronomers have found a way to estimate the number of stars in the universe. Comstock Images via Getty Images

How many stars are there in space?

Scientists have a good estimate on the staggering number of stars in the universe.
The James Webb Space Telescope is the biggest orbital telescope ever built and is scheduled to be launched into space on Dec. 18, 2021. NASA/Desiree Stover

James Webb Space Telescope: An astronomer on the team explains how to send a giant telescope to space – and why

The largest orbital telescope ever made will allow astronomers to study the atmospheres of alien planets, learn about how stars form in the Milky Way and peer into the farthest reaches of the universe.
Four people – none of them trained astronauts – launched into orbit aboard a SpaceX Dragon capsule on Sept. 15, 2021. NASA Johnson/Flickr

SpaceX Inspiration4 mission sent 4 people with minimal training into orbit – and brought space tourism closer to reality

The Inspiration4 mission sent four civilians to space for three days. Though still funded by a billionaire, the mission is a step forward in the nascent space tourism industry.
Mars northern polar cap, photographed by the NASA Mars Reconnaissance Orbiter mission. NASA/JPL-Caltech/MSSS

Why is there so little water left on Mars?

New results show why and how water is disappearing from Mars atmosphere.
New research suggests that Venus’ crust is broken into large blocks – the dark reddish–purple areas – that are surrounded by belts of tectonic structures shown in lighter yellow–red. Paul K. Byrne/NASA/USGS

The surface of Venus is cracked and moves like ice floating on the ocean – likely due to tectonic activity

Researchers used decades-old radar data and found that some low-lying areas of Venus’ crust are moving and jostling. This evidence is some of the strongest yet of tectonic activity on Venus.
Hip-hop has a long history in referencing space exploration. Taylor Hill/Getty Images for The Meadows Music & Arts Festival

10 hip-hop songs to take you on a voyage into space

Rappers have been taking listeners on lyrical journeys to outer space for decades. A hip-hop scholar says their music helps inspire more students to pursue careers among the stars.
A permanent Moon colony could become a reality in a few decades. NASA/Dennis Davidson/WikimediaCommons

When will the first baby be born in space?

In the coming decades, governments and private companies will set up permanent bases on the Moon and Mars. And at some point, the first galactic baby will be born.
Faster than light travel is the only way humans could ever get to other stars in a reasonable amount of time. Les Bossinas/NASA/Wikimedia Commons

Warp drives: Physicists give chances of faster-than-light space travel a boost

If humanity wants to travel between stars, people are going to need to travel faster than light. New research suggests that it might be possible to build warp drives and beat the galactic speed limit.

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