Tribute to Astrophysicist Vera Rubin, the “Mother” of Dark Matter

Tribute to Astrophysicist Vera Rubin, the “Mother” of Dark Matter

Some of the science—and the poetry—of LIGO’s gravitational wave announcement.

Some of the science—and the poetry—of LIGO’s gravitational wave announcement.

The center of a black hole is not so much a place as  a moment in time. It is literally as inescapable as tomorrow.

The center of a black hole is not so much a place as  a moment in time. It is literally as inescapable as tomorrow.