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 ...

Scientists reconstruct space history with ancient texts

Ice cores and ancient sediments can be gleaned for clues to weather and climate in the past. But astronomical phenomena—such as solar flares or auroras—at best leave only faint environmental traces lacking in specificity. ...

Why does Siberia get all the cool meteors?

In 1908 it was Tunguska event, a meteorite exploded in mid-air, flattening 770 square miles of forest. 39 years later in 1947, 70 tons of iron meteorites pummeled the Sikhote-Alin Mountains, leaving more than 30 craters. ...

Does dark matter cause mass extinctions and geologic upheavals?

Research by New York University Biology Professor Michael Rampino concludes that Earth's infrequent but predictable path around and through our Galaxy's disc may have a direct and significant effect on geological and biological ...

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