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Space6515 articles archived since 1845

The Quasar with Two Black Hearts

Astronomers have discovered two supermassive black holes locked in a whirling dance at the center of the nearest quasar galaxy

1 hour ago — W. Wayt Gibbs

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

55 minutes ago — Joseph Polchinski

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?

38 minutes ago — Douglas Finkbeiner, Meng Su and Dmitry Malyshev

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

5 hours ago — Michael D. Lemonick

Could Liquid Lakes Form on Mars Today?

Water from sources such as aquifers could last long enough to pool, with larger pools remaining liquid for at least a year, according to researchers

November 23, 2015 — Nola Taylor Redd and

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