The outlook for the bushfire situation in Australia continues to be grim. This post is an update via NASA, containing NOAA-NASA satellite images of actively burning fires and the resultant billowing smoke.

New observations reveal that - about a billion years ago - the center of our Milky Way galaxy underwent a period of intense star formation, resulting in over 100,000 supernovae.

Wow! This was a tough choice. Thank you to all who submitted photos in 2019! Here are a few of our favorites.

Hundreds of thousands of people from 112 countries helped select names for distant exoplanets and their stars. So, for example, the exoplanet formerly known as HAT-P-36b - about 1,000 light-years away - now also carries the name Bran, from an Irish legend.

NOAA’s 14th annual Arctic Report Card recounts the ways that climate change continued to alter the north polar region during 2019.

The 1st interstellar object - 1I/'Oumuamua - had already passed closest to our sun when astronomers first spotted it. So catching this 2nd one - 2I/Borisov - prior to perihelion was a big plus for astronomers! Before and after images here.

At this time of year, for all of us around the globe, the Pleiades star cluster culminates - reaches its highest point in the sky - around midnight.

New image of the Tycho supernova remnant from the Chandra X-ray Observatory.

Hubble Telescope view of a spiral galaxy - called NGC 3717 - oriented sideways.

Nebula IC 63 - in the direction of our constellation Cassiopeia - is slowly dissipating under the influence of ionizing ultraviolet radiation from a hot, luminous variable star known as Gamma Cas.