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The Milky Way’s arms might not look as we thought
The Milky Way's arms might be farther away than we thought, meaning our galaxy is likely larger than previously believed. Here's how they made the measurements.
July 3, 2026
Top 10 cool things about stars that you probably didn’t know
Here's a collection of 10 cool things about stars that you probably didn't know. Big stars, green stars, black holes, stars by the millions, and more!
July 3, 2026
Groundbreaking Swift spacecraft rescue mission launches
NASA's LINK spacecraft is on its way to save the Swift space telescope. LINK launched earlier today from Kwajalein Atoll in the South Pacific Ocean.
July 3, 2026
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
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
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
The Tunguska explosion rocked Siberia 118 years ago
The Tunguska explosion on June 30, 1908, is the largest asteroid impact in recorded history. Researchers are preparing for future Tunguska-sized events.
June 30, 2026
Large asteroid safely passed Earth on June 27
On June 27, 2026, a large asteroid safely passed close to Earth. Observers with small telescopes watched the asteroid sail by.
June 28, 2026
A lunar quarantine facility to protect from alien microbes?
Scientists are proposing a lunar quarantine facility on the moon to protect Earth from possible alien microbes. Do we need one?
June 28, 2026
