African dust can produce European rain.
Curiosity keeps returning stunning Mars images.
Juno is gone but its data continues to be analyzed.
Comparing geology on Earth and Mars.
Gallery-worthy images from NASA's Juno mission.
A 'pale blue dot' reminder.
An existential statement about Earth.
Kepler discovers a Star Wars planet.
Visualizing a black hole.
The rover's mission concludes.
Autumn as seen by satellite.
Infrared images reveal Titan's strange landscapes.
Observing volcanic eruptions from space.
Juno reveals Jupiter's clouds and storms.
Photos made by "painting" with light.
The Milky Way and the Andromeda Galaxy are on a collision course. Andromeda --the only galaxy that can be seen with the naked eye --is on a course to collide with us billions of years from now. If you ever wondered what colliding galaxies might look like, check out this Hubble photo:
[caption id="attachment_7086" align="aligncenter" width="575" caption="Colliding galaxies (credit: NASA)"][/caption]
Today is Neptune's birthday. It only gets a birthday once every 164 years, since that how long it takes to orbit the sun.
That's what a birthday is, after all. Once around our big ball of fire.
Neptune, one of the Solar System's gas giants has just completed its only orbit around the sun since being discovered in 1846.
The Hubble Space Telescope captured these fine, new, celebratory photos of the blue-green planet:
[caption id="attachment_5569" align="aligncenter" width="575" ...