Twelve years of radar data reveal new phenomena in Earth’s upper atmosphere.
A three-dimensional model of material transport suggests that impact cratering can mix lunar soils across distances of more than 100 kilometers.
After sifting through urban debris for 6 years, one scientist unearthed cosmic dust—confirming a long-held myth about urban micrometeorites.
After examining the metal under bombardment by X-rays, scientists find the composition of King Tutankhamun's knife blade matches "iron of the sky."
Massive meteorites likely slammed into a Martian ocean billions of years ago, unleashing tsunami waves up to 120 meters tall, a close study of a region of the Red Planet's terrain has found.
Such disturbances probably do not occur on our own planet, but evidence for them might still exist elsewhere in the solar system.
Spectacular fireball meteors don't just light up the night sky—recent observations show they also emit mysterious high-frequency radio waves. Now scientists think they understand why.
Small spikes in the solar system's magnetic field may help scientists detect overlooked and possibly dangerous debris clouds around near-Earth asteroids.
Tons of cosmic dust enter Earth’s atmosphere each day, triggering a range of phenomena that scientists are only just beginning to understand.
What causes the magnetic anomalies found on Mars? Scientists find revealing analogues in a tiny sample of Martian rock that could help answer this question.