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First potentially habitable Earth-sized planet discovered

The first Earth-sized exoplanet orbiting within the habitable zone of another star has been confirmed. The new planet, dubbed Kepler-186f, was discovered using NASA’s Kepler telescope.

Editors of EarthSky

April 17, 2014

Did vitamin B3 come from space?

Vitamin B3 - a vitamin essential to metabolism - might have been made in space and delivered to Earth by meteorites.

Editors of EarthSky

April 17, 2014

New cross section of the universe

New Hubble image shows objects ranging from cosmic near neighbors to objects seen in the early years of the universe.

Editors of EarthSky

April 17, 2014

Cosmic slurp: Where a black hole swallows a star

Astronomers have identified galaxies where a central black hole just disrupted and ‘ate' a star. It's like a black hole putting up a sign that says: Here I am.

Editors of EarthSky

April 16, 2014

Large Hadron Collider discovers new form of matter

Researchers say that exotic hadrons -particles made up of two quarks and two anti-quarks - actually exist.

Editors of EarthSky

April 15, 2014

A tetrad of lunar eclipses, next one October 8

Monday's eclipse marks the beginning of a special eclipse series known as a tetrad - four total lunar eclipses in a row, with no partial eclipses in between. The next one is October 8.

Editors of EarthSky

April 15, 2014

Is Saturn making a new moon?

A small icy object within the rings of Saturn might be a brand new moon in the process of being born.

Editors of EarthSky

April 15, 2014

See it! Photos of total lunar eclipse of April 14-15

Beautiful images of the 'Blood Moon' total lunar eclipse of April 14-15, 2014.

Eleanor Imster

April 15, 2014

Why is Mars near the moon on eclipse night?

A total eclipse moon has to happen at full moon. Outer planets are always near the full moon in their month of opposition. Mars reached opposition April 8 ...

Deborah Byrd

April 14, 2014