Posts by 

Deborah Byrd

Need details on SpaceX’s Mars mission?

Links, photos and more about Elon Musk's plan to make humans a multiplanetary species.

Cassini begins epic final year at Saturn

The spacecraft will plunge repeatedly between Saturn and its rings, and finally execute a headlong plummet into the body of Saturn itself.

Meteor over Hidden Lake, Montana

The road into the heart of Glacier National Park in Montana is called Going-to-the-Sun Road. Here's a night sky photo over the park's Hidden Lake.

Star trails at Giant Magellan Telescope site

When completed in 2025, the Giant Magellan super-scope in Chile is expected to have a resolving power 10 times that of the Hubble Space Telescope.

Dwarf galaxies and dark matter update

Standard cosmology calls for many more dwarf galaxies than we see. A new computer simulation suggests we might not need so many dwarf galaxies, after all.

Wildfires in Siberia

2016 has been a bad year for wildfires in the forests of eastern Russia, too.

Twin jets pinpoint active galaxy’s heart

The supermassive black hole at the heart of NGC 1052 is now the most precisely located supermassive black hole in the universe … almost.

Arctic sea ice 2nd-lowest on record

Summertime sea ice in the Arctic reached a minimum on September 10 (unless it goes lower still). It's now tied for the second-lowest minimum in the satellite era.

Milky Way with moon

The Milky Way is best seen with the eye alone in a moon-free sky, but this photographer caught the Milky Way in moonlight.

Hubble sees a comet breaking up

This comet is spinning so fast it's ejecting building-sized chunks, littering space with a debris trail as wide as the continental U.S.