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Blogs

Our journalists and guest bloggers bring you stunning imagery and the space stories that matter most.

How far they'll go: Moana shows the power of Polynesian celestial navigation

Duane W. Hamacher and Carla Bento Guedes • November 21, 2017

The Polynesian peoples' astronomical knowledge helped them colonize the vast Pacific Ocean.

Reminder: The Giant Magellan Telescope is going to be awesome

Jason Davis • November 10, 2017 • 4

The GMT will characterize Earth-size exoplanets' atmospheres, looking for compounds that indicate the presence of life.

Then vs. Now: How the Debate Over a Distant Planet in the Solar System Has Evolved

Stephanie Hamilton • October 30, 2017

What have we learned about the distant objects in our Solar System beyond Neptune in the past year?

When New Horizons' next target passed in front of a star, this scientist was watching from Argentina

Alejandro Soto • June 16, 2017 • 2

A team of scientists recently traveled to rural Argentina in the hopes of catching New Horizons' next target—Kuiper Belt object MU 69—crossing in front of a distant star.

Pretty Pictures of the Cosmos: Waltzing Through the Universe

Adam Block • May 25, 2017

Award-winning astrophotographer Adam Block brings us more of his stunning images of the universe—this time of cosmic dances through space.

Earth's ring system: This mosaic shows 46+ geostationary satellites in one image

Adam Block • May 05, 2017 • 1

Astrophotographer Adam Block captures 46 geostationary satellites, plus some unnamed stragglers, in one 10-frame image mosaic.

On Cosmic Discovery and Human Significance

Jake Rosenthal • December 28, 2016 • 11

Jake Rosenthal takes us on a tour of the history of discovery of our place in the cosmos.

Gaia's first galaxy map

Emily Lakdawalla • September 14, 2016 • 3

The astronomy world is abuzz today because of ESA's announcement of the first release of data from the Gaia mission. Gaia is a five-year mission that will eventually measure the positions and motions of billions of stars; this first data release includes positions for 1.1 billion of them, and proper motions for 2 million.

Half the Park is After Dark: Stargazers Celebrate U.S. National Parks Centennial

CaLisa Lee • August 08, 2016

On August 25th, 2016, the U.S. National Park Service is celebrating its Centennial. That’s 100 years of protecting the lands and the night skies so that people from around the world and all walks of life can come and see the stars!

Pretty Pictures of the Cosmos: Star Stream

Adam Block • July 31, 2015 • 1

Award-winning astrophotographer Adam Block presents the first-ever high-resolution color images of the "star stream halo" of the spiral galaxy NGC 4414.

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