Not one, but two, possibly related comets will make exceptionally close flybys of Earth on March 21–22. Here’s what we know and a guide on how to see them.
Astronomers have identified 53 “super spirals” — spiral galaxies that are huge and incredibly luminous — as part of a project exploring archived observations.
The launch of ESA’s ExoMars Trace Gas Orbiter and Schiaparelli lander heralds a new phase of Mars exploration.
Happy Spring! The vernal equinox occurs at 12:30 a.m. March 20th EDT / 9:30 p.m. March 19th PDT, and a penumbral lunar eclipse before dawn for North America on Wednesday morning.
After months of excitement in the predawn sky, the action is shifting to the evening — where Jupiter rises early and the stars of Orion anchor an array of celestial sights.
It’s high time that we amateur astronomers got serious about protecting the night sky from light pollution.