Hubble images NGC 941, a spiral galaxy with an explosive past

This image from NASA's Hubble Space Telescope features the spiral galaxy NGC 941, which lies about 55 million light-years from Earth. Hubble's Advanced Camera for Surveys (ACS) collected the data that created this image. ...

Perseid meteor shower to light up August night sky

This year the Perseid meteor shower reaches its peak on the night of 12–13 August, giving skywatchers a potentially impressive summer treat. The meteors are best viewed from the northern hemisphere, and in ideal conditions ...

Scientists discover rapidly growing black hole

The fastest-growing black hole of the last 9 billion years has been discovered by an international team led by astronomers at The Australian National University (ANU).

How historic Jupiter comet impact led to planetary defense

Twenty-five years ago, humanity first witnessed a collision between a comet and a planet. From July 16 to 22, 1994, enormous pieces of the comet Shoemaker-Levy 9 (SL9), discovered just a year prior, crashed into Jupiter over ...

Astronomers deliver first photo of black hole

Astronomers on Wednesday unveiled the first photo of a black hole, one of the star-devouring monsters scattered throughout the Universe and obscured by impenetrable shields of gravity.

Natural phenomenon of Manhattanhenge expected to draw crowds

Thanks to a natural phenomenon, it's not all about the plays and celebrity sightings in New York City. When the sun lines up with the Manhattan street grid before setting, the city gets bathed in radiance.

The atmospheres of water worlds

There are currently about fifty known exoplanets with diameters that range from Mars-sized to several times the Earth's and that also reside within their stars' habitable zone – the orbital range within which their surface ...

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