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Did Scholz’s star invade the Oort Cloud?
Scholz´s star - named for its discoverer - is now 20 light-years away. But astronomers say they've verified a flyby of this star 70,000 years ago that disturbed comets in the Oort Cloud.
March 22, 2018
Did huge volcanoes lead to oceans on Mars?
A new study links oceans on ancient Mars to the rise of the planet's Tharsis volcano system, home to the largest volcanoes in our solar system.
March 22, 2018
Jupiter’s Red Spot gets taller as it shrinks
Scientists have noticed that Jupiter's Great Red Spot has been getting smaller over time. New evidence says the storm is getting taller - and more orange - as it shrinks.
March 21, 2018
Why do comets emit X-rays? Mystery solved
Researchers fired laser beams onto a plastic foil to mimic some of the conditions comets encounter as they travel through our solar system and to solve a long-standing mystery.
March 20, 2018
Researchers say 1st interstellar asteroid likely from double star
New research suggests that the 1st confirmed interstellar asteroid - called ‘Oumuamua by astronomers - likely came from a system where 2 stars orbit each other.
March 19, 2018
Spacecraft sees Jupiter as never before
Check out the massive cyclones at Jupiter's north and south poles, on display in stunning new images from the Juno spacecraft.
March 18, 2018
Researchers explore the voids between superclusters
An analysis of the cosmic microwave background has provided clues about the gas inside vast cosmic voids in space, between giant superclusters of galaxies.
March 18, 2018
Where did Mars get its organic molecules?
New computer simulations indicate 1/3 of Mars' organic molecules come from asteroids and comets.
March 16, 2018
Stunning Mars images, from Curiosity
The Curiosity rover has sent back some beautiful new images of the foothills of Mount Sharp in Gale crater on Mars.
March 16, 2018
Hubble finds relic galaxy close to home
The Hubble Space Telescope looks at a very rare and odd assemblage of stars that has remained essentially unchanged for the past 10 billion years.
March 15, 2018
