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September 27, 2017

Lord Byron's famous 'star' was probably a planet

The Romantic poet Lord Byron found inspiration for one of his greatest works in a "single star" that he said reigned with the moon "o'er half the lonely heaven."

September 27, 2017

Fastest stars in the Milky Way are galactic fugitives

The speediest stars zipping through the Milky Way galaxy are runaways from a small neighboring galaxy, according to a new study.

September 27, 2017

Meet Tabby's star, the weirdest sun in the galaxy

Make no mistake, science will never rid our existence of mystery. To the contrary, science appears destined to widen and deepen it.

September 27, 2017

PHOTO: 'Hidden' spiral galaxy sparkles in breathtaking Hubble shot

The spiral galaxy IC 342 shines prominently in this image from the Hubble Space Telescope, but viewing it in the night sky from Earth is much more challenging.

September 27, 2017

Scientists just found the wimpiest star in the galaxy

Introducing EBLM J0555-57Ab, which now has the distinction of being the smallest star ever discovered.

September 27, 2017

'Peculiar' signals emerge from nearby star and scientists are baffled by what it could be

Scientists in Puerto Rico at the Arecibo Observatory have uncovered "some very peculiar" radio signals from a nearby star just 11-light years away from Earth.

September 27, 2017

Not aliens: Weird radio signal from star likely has duller explanation

A strange radio signal that seemed to emanate from a small nearby star probably came from Earth-orbiting satellites, astronomers say.

September 26, 2017

Astronomers may have discovered the first exomoon

A team of astronomers believe they have spotted the first moon outside our solar system.

September 26, 2017

Surprise! Orion Nebula cluster had 3 ages of star formation

The Orion Nebula is one of the most heavily studied astronomical targets in the night sky, but that doesn't mean it has stopped surprising astronomers.

September 26, 2017

Hubble Telescope sees merging 'David and Goliath' galaxy pair

The Hubble Space Telescope has taken a close look at the fascinating gravitational effects caused by a diminutive dwarf galaxy as it orbits its massive neighbor.