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Solid evidence for a 9th planet

If it exists, the 9th planet has 10 times the mass of Earth - orbits 20 times farther from the sun than Neptune - and takes 20,000 years to orbit the sun once.

Deborah Byrd

January 20, 2016

Flower blooms in space

Here it is! A flower grown on the International Space station blooms.

Eleanor Imster

January 20, 2016

Constellation named for David Bowie?

MIRA Public Observatory and Studio Brussels say they have 'registered a constellation' named for the late, beloved rock musician. Hmm, says astronomer Guy Ottewell.

EarthSky Voices

January 20, 2016

Milky Way’s second-largest black hole?

Astronomers are calling it a possible first detection of an intermediate-mass black hole, a missing link in black hole evolution.

Deborah Byrd

Eleanor Imster

January 20, 2016

EarthSky News with Deborah Byrd

All the news you can fit into outer space LIVE on Slooh.com Mondays and Thursdays at 10:30 a.m. ET (1530 UTC). Or watch right here!

Deborah Byrd

January 18, 2016

Record-shattering super supernova

The supernova was as bright as 570 billion of our suns and some 20 times as luminous as the entire output of the 100 billion stars of our Milky Way galaxy.

Deborah Byrd

January 18, 2016

Newly discovered most luminous galaxy

Galaxy W2246-0526 shines with the intensity of more than 300 trillion suns. Its central black hole stirs up gas across the entire galaxy.

Editors of EarthSky

January 18, 2016

SpaceX deploys satellite, crashes rocket

A foggy lift-off - successful deployment of Jason 3 satellite - and spectacular crash at attempted sea landing for SpaceX yesterday. Spectacular video of crash, here.

Deborah Byrd

January 18, 2016