Posts by 

Deborah Byrd

Juno in safe mode for Jupiter flyby

A sudden safe mode halted planned data collection during the spacecraft's perijove - or closest point to Jupiter - on October 19. Next perijove December 11.

Setting supermoon

Every full moon sets around dawn. Watch how much how much the sky brightened in the 3 minutes it took for the moon to disappear.

Animation: Schiaparelli’s descent to Mars

Computer-generated animation of the descent of the Schiaparelli lander to the surface of Mars. Real one will happen this Wednesday, October 19.

Is asteroid 2016 HO3 a second moon?

No, it orbits the sun. But its orbit keeps it as a constant companion of Earth, and it'll remain so for centuries to come.

The sound of climate change

Two scientists have set the CO2 record at Mauna Loa - world’s longest-running measure of atmospheric carbon dioxide - to music.

The ghost of Loulouda

Manolis Thravalos caught this Brocken Spectre recently while mountain-climbing in Greece, near a medieval castle. A chilling experience, he said. Here's why.

China joins search for alien life

China's big new radio telescope - now the largest of its type in the world - will join Breakthrough Listen experiments in the U.S. and Australia in seeking extraterrestrial signals.

Mars and the Teapot

Modern stargazers have a hard time seeing a Centaur in the constellation Sagittarius. But the pattern of The Teapot is easy to make out.

Hubble reveals 10 times more galaxies

The universe suddenly looks a lot more crowded, thanks to a deep-sky census assembled from surveys taken by the Hubble Space Telescope and other observatories.

The graceful arc of the ecliptic

The ecliptic is the path of the sun across our sky, and also of the moon and planets. This photo illustrates it beautifully.