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What’s the most distant human object from Earth?

The most distant human object is now over 13 billion miles (21 billion km) from Earth.

Some black holes erase your past

You can’t survive a passage into a black hole … or can you? A UC Berkeley mathematician says you could enter certain types of black holes, but your past would be obliterated and you’d have an infinite number of possible futures.

Supermassive black hole and host galaxy not evolving together?

Astronomers assumed supermassive black holes and their host galaxies evolve together and affect each other. They call it “co-evolution.” But it’s not happening in the distant galaxy WISE1029.

This asteroid sweeps closer than our moon today

The average distance of the moon is 239,000 miles (385,000 km). Asteroid 2018 DU will sweep significantly closer than that on February 25, 2018.

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2018’s 2nd Blue Moon on March 31

The name Blue Moon used to indicate something rare. Not anymore! Popular culture has defined several kinds of Blue Moons. The next one will be March 31.

Drought worsens across US Southwest, southern Plains

A lack of precipitation across the southern and western United States has led to growing drought this winter.

See it! Friday night’s moon and star

People around the world last night caught the moon near the bright star Aldebaran in the constellation Taurus the Bull.

Watch an octopus get spiky

Octopuses and cuttlefish have an amazing defense tactic. They can erect 3D spikes from their skin, hold them for an hour, then retract them and swim away.

Mars rover finds possible rock stripes

The long-lived Opportunity Mars rover keeps finding surprises, including these possible stone stripes. On Earth, similar features result from repeated freezing and thawing of wet soil.

Taurus? Here’s your constellation

How to find to find the constellation Taurus in your night sky. Plus the names of some of its bright stars and star clusters and its mythology.

1st quarter moon is February 23

A first quarter moon rises around noon and sets around midnight.

Violent blasts from Indonesia’s Sinabung volcano

Mount Sinabung on the Indonesian island of Sumatra erupted violently on February 19, 2018. See video of the dramatic first moments of the eruption.

Amateur astronomer captures a supernova’s 1st light

Supernovae – exploding stars – are unpredictable. But an amateur astronomer in Argentina happened to catch one just as it began to explode. “It’s like winning the cosmic lottery,” one astronomer said.