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How Gaia Changed Astronomy Forever. Season 4 Episode 24 | 8m 47s Video has Closed Captions | CC. The great advances in any science tend to come in sudden leaps. April 25th of 2018 marks the ...

"For the first time, we have identified the earliest moment when planet formation is initiated around a star other than our ...

Today, astronomers have measured the distance to the Andromeda Galaxy much more precisely; they find it to be about 2 1/2 million light years away. It is a majestic spiral-shaped galaxy, similar to ...

The new PBS series "Ancient Skies" will explore the science, engineering and experiments that preceded modern times. The three-part series airs Wednesdays, starting July 24, at 8 p.m. EDT.