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.
Scientists have found evidence of enormous ancient magma systems on Mars. They show that Mars' volcanic systems were once more complex than 1st thought.
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 on June 30, 1908, is the largest asteroid impact in recorded history. Researchers are preparing for future Tunguska-sized events.