A striking, just-released image from NASA’s New Horizons mission shows a crescent Pluto panorama. Dramatic backlighting accentuates the dwarf planet’s surprisingly rugged mountains.
Astronomers are investigating a new technique for finding close pairs of supermassive black holes — they might have found one in the nearest quasar.
And in other black hole binary news, astronomers have found definitive evidence that the quasar PG 1302-102 hosts a supermassive black hole pair, its members less than a tenth of a light-year apart.
Some of the best views of Sunday’s partial solar eclipse didn’t come from Earth.
Astronomers have detected waves working together in the solar atmosphere, potentially heating the gas through turbulence.
Dawn features Mars gleaming near Regulus, and you might just glimpse Jupiter further down. And fall officially arrives on September 23rd.
On the night of September 27–28, the full Moon will plunge completely through Earth’s shadow for the last time until January 2018.
How much can you see of the Andromeda Galaxy system with just a pair of binoculars? Turns out a lot!
This month’s stargazing features pretty planetary treats in the eastern sky before dawn — and the last total lunar eclipse visible until 2018.
This year Fall Astronomy Day and International Observe the Moon Night share a square on the calendar. Find out how you can take part!
Does your version of stargazing involve pointing your telescope at the Sun? With the right equipment, you can aid a project that aims to catch a solar flare in the act of erupting between September 19 and 27.