Posts by 

Deborah Byrd

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.

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.

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.

X-men

The northern lights have been active this week for those at high northern latitudes.

Will you see the Humanity Star?

The debate surrounding the Humanity Star. Is it possible to see? Can you see it from your location? How to try to see it, if it's visible, here.

New Year greeting from Canis Major

Sirius, the sky's brightest star, is sometimes called the Dog Star because it's in the constellation Canis Major, the Greater Dog. In this Chinese Year of the Dog ... a photo from Hong Kong.

Return of the young moon, and Venus

Two lovely and hopeful signs in the sky ... the returning young moon and Venus. Photos here from the EarthSky community.

Hubble sees Neptune’s dark storm die

In the 1980s, Voyager 2 discovered a dark storm in Neptune's dense atmosphere, and now the Hubble Space Telescope is tracking Neptune's storms. More in this NASA video.

ALMA telescope spies a supermassive black hole’s spinning disk

For decades, astronomers have been talking about of galaxies with supermassive black holes at their cores. Now they say they've clearly confirmed a black hole's encircling, dusty, spinning disk of gas.

See it! Partial solar eclipse

View photos of the February 15, 2018 partial solar eclipse, which was visible from South America.