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Astrophysics1163 articles archived since 1845

Giant Bubbles Soar over the Milky Way

Newly discovered lobes stretch tens of thousands of light-years above and below the Milky Way's disk. Where did they come from?

December 16, 2015 — Douglas Finkbeiner, Meng Su and Dmitry Malyshev
The Hunt for Alien Molecules

The Hunt for Alien Molecules

Astrochemists are discovering many compounds in the cosmos that cannot exist on Earth

December 11, 2015 — Clara Moskowitz

Fiery Holes in Space and Time

Black holes may be bubbles devoid of space and time—and encased in “firewalls” that confound both general relativity and quantum mechanics

December 1, 2015 — Joseph Polchinski
Superstars of the First Galaxies

Superstars of the First Galaxies

Emerging evidence suggests that the first starlight to shine after the big bang’s flash came from distant suns that ranged from very large to incredibly huge

November 30, 2015 — Michael D. Lemonick

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