Posts by 

Deborah Byrd

Moon, Mars and Venus from a sea cave

Looking out from a sea cave over the Pacific at two planets and the moon.

Flowing water on Vesta?

Who knew asteroids could have flowing water? They are so small, airless and cold that the idea seems surprising, to say the least. The latest evidence, here.

Astrophysicists’ update on enormous and unexpected Fermi bubbles

Discovered in 2010, two vast and mysterious Fermi bubbles radiate out from our Milky Way galaxy's core. An update from the three astrophysicists who found them.

U.S. Nor’easter at night

The Suomi NPP and the GOES-East satellites captured the powerful storm as it neared its peak intensity, in the early morning hours of January 27.

Best images! Asteroid 2004 BL86, as it swept near Earth

Images and video of asteroid 2004 BL86, which swept about 3 times the moon's distance from Earth on Monday, January 26.

Asteroid that flew past Earth on Monday has a moon!

Radar images of asteroid 2004 BL86 confirm the primary asteroid is 1,100 feet (325 meters) across with a small moon 230 feet (70 meters) across.

Big asteroid swept close on January 26

Asteroid 2004 BL86 came closer than any known asteroid this large until 2027. Information and photos of the asteroid, plus links to more.

The intriguing crack in Rosetta’s comet, and more

Scientists publish a slew of science results from the Rosetta comet mission. Among the most fascinating ... a crack in the comet's neck! Plus dust and jets, the mysterious double-lobed shape, and more.

Little solar halo observer

A big moment for a sky photographer and his son, in Sweden.

Friday night’s rare triple shadow transit of Jupiter

Three moon shadows at once on Jupiter Friday night! It won't happen again for U.S. observers until the year 2032. You can also watch online.