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Complex carbon in Mars rocks: Another clue to past life?
Scientists have found complex carbon in Mars rocks that the Perseverance rover has studied. They're the same rocks found in 2024 to contain hints of life.
July 2, 2026
Huge magma systems on Mars existed below the surface
Scientists have found evidence of enormous ancient magma systems on Mars. They show that Mars' volcanic systems were once more complex than 1st thought.
July 2, 2026
Exquisite Albireo, a beloved and colorful double star
Albireo, in the constellation Cygnus, is a favorite for stargazers. Through a small telescope, it appears as a beautiful gold star with a dimmer blue companion.
July 2, 2026
Earth farthest from sun – at aphelion – July 6, 2026
Earth farthest from sun - aka aphelion - occurs on July 6. That's despite the fact that it's summer in the Northern Hemisphere.
July 1, 2026
Sun activity archive for July 2026
Sun activity archive for July 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
July 1, 2026
Rubin Observatory begins 10-year timelapse of the universe
The Rubin Observatory has now begun its Legacy Survey of Space and Time. This 10-year survey will create a timelapse record of the universe.
July 1, 2026
Epsilon Lyrae is the famous Double Double star
To the unaided eye, Epsilon Lyrae appears as 1 star. But it’s actually a system with at least 5 stars. Learn how to find them here.
July 1, 2026
July birthstone: The rare and precious ruby
The July birthstone is the ruby, one of the most prized precious stones. It is also one of the hardest gemstones, and is chemically related to the sapphire.
July 1, 2026
A passing star may have unleashed a comet deluge
Scientists think a passing star 2.5 million years ago might have sent a wave of comets in toward the sun. Some of those comets could still be arriving today.
June 30, 2026
Extreme heat impacting millions across eastern half of US
A dangerous, extreme heat wave is forecast for the Midwest and East Coast of the United States this week into the holiday weekend. Get the details here.
June 30, 2026
