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Milky Way center: Threads of hot gas and magnetic fields
An astronomer combined 2 decades worth of X-ray data with radio observations, creating an extraordinary image of the Milky Way center.
June 8, 2021
Scientists release best-ever dark matter map
Astronomers with the Dark Energy Survey have created the largest-ever map of dark matter, using artificial intelligence. It covers 100 million galaxies.
June 6, 2021
Are organic salts on Mars a clue to life?
NASA's Curiosity rover has found hints of organic salts on Mars. If confirmed, they could provide important clues about previous habitability and the potential for ancient microbial life.
June 6, 2021
Why does a variable star brighten and dim?
A variable star is one that brightens and dim in a cycle that might last hours, or weeks, or months, or longer. What makes a star change its brightness?
June 6, 2021
What makes a halo around the sun or moon?
A large ring or circle of light around the sun or moon is called a 22-degree halo by scientists.
June 6, 2021
Webb Space Telescope launch delayed
The James Webb Space Telescope is Hubble's successor. On June 1, 2021, space officials announced its launch will likely slip from October 31 to mid-November.
June 4, 2021
Giant planets live in the suburbs
The results of a 30-year survey of exoplanets show our solar system as "normal." That is, giant planets tend to orbit far from their stars.
June 4, 2021
The most ancient spiral galaxy yet
Astronomers have discovered a spiral galaxy surprisingly near the beginning of the universe, making it the most ancient spiral galaxy found so far.
June 3, 2021
SpaceX CRS-22 mission Thursday will carry tiny crewmates
CRS-22 - SpaceX’s 22nd cargo launch for NASA - will send bobtail squid and tardigrades to ISS this week. The launch is scheduled for June 3. How to watch, here.
June 2, 2021
Active seafloor volcanoes on Jupiter’s moon Europa?
New research suggests active seafloor volcanoes on Jupiter's moon Europa. Are they linked to life? The planned Europa Clipper mission might provide answers.
June 2, 2021
