The giant planet Jupiter reached opposition this week, coming closest to Earth for the year. In celebration, NASA released this ultraviolet view of Jupiter.
Researchers say they've solved a decades-long mystery. They said dust killed the dinosaurs - plain dust from pulverized rock - following an asteroid impact.
Scientists have long thought that Venus never had plate tectonics. But a new study suggests it did early on, which created the atmosphere we see today.
Astronomers have confirmed the most distant fast radio burst ever found so far. It resides in a small group of merging galaxies 8 billion light-years away.
Researchers studied zircon crystals in lunar samples brought back by Apollo astronauts to determine the moon is 40 million years older than we thought.
Researchers at the Planetary Science Institute said that an ancient mud lake on Mars would be an ideal place to search for evidence of ancient microbial life.