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Space6866 articles archived since 1845

What Is a Light-Year?

Do you know what it is that a light-year actually measures? Do you know why so many people find it confusing? And why they really shouldn’t?

December 3, 2016 — Math Dude Jason Marshall

The Year in Planetary Science

Take a light-speed trip through the solar system to catch up on 2016’s biggest stories from our celestial neighborhood. Produced with support from Explore Scientific

December 1, 2016 — Lydia Chain, Lee Billings and Michael Lemonick

Cassini Mission Kicks Off Finale at Saturn

NASA’s Cassini spacecraft begins a series of daring dives through Saturn's rings Nov. 30, the first step in the probe’s “grand finale” investigation of the gas giant planet

November 30, 2016 — Sarah Lewin and SPACE.com

Trump's First 100 Days: Space

The new administration will likely shift NASA resources away from Earth exploration and into deep space. But many questions remain about how the agency will be led and funded

November 30, 2016 — Lee Billings

How Astronomers Found Our Cosmic Address

The Milky Way turns out to be part of a massive supercluster of galaxies that forms one of the largest known structures in the universe. This discovery is only the beginning of a new effort to map the cosmos

December 1, 2016 — Noam I. Libeskind and R. Brent Tully

Gravitational Waves Discovered from Colliding Black Holes

On February 11, 2016, scientists announced that a daring experiment had finally confirmed Einstein's 1916 prediction of gravitational waves. That day Clara Moskowitz explained why the discovery promises to open a new era in astrophysics

December 1, 2016 — Clara Moskowitz

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