Earth is unprepared for a surprise Asteroid Strike
NASA warns that Earth is not ready for a surprise asteroid strike.
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First test of new Theory of Gravity
Scientists tested for the first time the new theory of gravity, with weak gravitational lensing.
The Lunar X
The baffling X appearing in this lunarscape is easily visible in binoculars or a small telescope.
This is Saturn’s Turbulent North
Spectacular images in this Saturnian hexagon collage, from Cassini’s orbit over the turbulent North Pole.
Filaments around a Black Hole
The filaments in this image appear to connect to the central region of the galaxy NGC 4696, a region thought occupied by a supermassive black hole.
Aurora over Jupiter’s South Pole
A giant aurora over Jupiter’s South Pole captured by Juno spacecraft.
Sahara Desert From the Space Station
Sahara desert captured from the Space Station’s EarthKAM, programmed middle school students.
Glow-in-the-Dark Clouds in Antarctica
Spectacular glow-in-the-dark Noctilucent clouds, 50 to 85 kilometers above the Earth’s surface, in frozen Antarctica.
Webb Space Telescope Clean Room ‘Transporter’
What looks like a teleporter from science fiction being draped over NASA’s James Webb Space Telescope, is actually a “clean tent.”
Astonishing South Atlantic Sunset
An astronaut aboard the International Space Station, photographed a sunset that looks like a vast sheet of flame.