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!

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.

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.

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.

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.

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.

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.

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.

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?

Will Earth survive the red giant sun? New research suggests yes

Will Earth survive the sun's death, when our star becomes a red giant 5 billion years from now? A new study suggests it might, and maybe Mars too.