Chasing a Shadow
The Sun sets behind a NASA research aircraft, a WB-57F Canberra, at its base near Houston. Two of NASA’s three…
Solar Mystery
Astronomers will pay special attention to the Sun’s hot outer atmosphere, the corona, during Monday’s solar eclipse. It will form…
The Right Path
The Great American Eclipse is coming up on August 21. This map shows the circumstances of the eclipse across the…
Flashy Star
A star in Sagittarius, known as Sakurai’s Object, has undergone a “rebirth” of sorts, as it produced an intense outburst…
New Giant
The fading sunlight reflects off the mirrors of the Giant Magellan Telescope, which is under construction in Chile, in this…
Death Star Moon
Tethys floats in front of Saturn and its rings in this view from the Cassini spacecraft. The small moon’s most…
Hot Weather
Clouds rotate across the surface of a brown dwarf in this series of images snapped by the Very Large Telescope…
Pulsing Corpse
A stellar corpse known as a white dwarf zaps a companion star with a particle beam every two minutes, as…
Far Moon
The far side of the Moon is far more rugged than the familiar near side, as depicted in this photograph…
A Civil Sky
Evening twilight descends on McDonald Observatory and the Davis Mountains of West Texas. This depicts civil twilight, when the Sun…