Science ❯ Astronomy

Asteroids

Near-Earth Objects Impact Events Planetary Defense Impact Risk Observation Techniques Bennu Risk Assessment Orbital Mechanics Discovery Observation

Mile-Scale Asteroid Will Make Close but Safe Flyby of Earth on June 27

Scientists will use coordinated radar and telescope observations to narrow the rock's size and orbit for long-term planetary defense.

Webb Reveals 3I/ATLAS as an Ancient Comet Born in a Frigid, Metal‑Poor Environment

Pilbara Crater Dated to About 3.02 Billion Years Would Be Earth’s Oldest Known Impact Site

Large Asteroid 1997 NC1 to Make Safe Close Pass of Earth on June 27

Lucy Reveals Peanut-Shaped Asteroid That Wobbles on Two Axes

Lucy Flyby Shows Peanut‑Shaped Asteroid Is Water‑Altered Fragment of Ancient Collision

Asteroid Named for Fallen Hong Kong Firefighter

Meteor Exploded Over New England in a High‑Altitude Airburst

Psyche Gains 1,000 mph in Mars Flyby and Stays on Course for Metal Asteroid

Bright Meteor Lights Up Eastern Australian Skies

Psyche Completes Precision Mars Flyby and Gains Speed Toward Metal Asteroid

Newly Discovered Asteroid Skims Safely Past Earth at One-Quarter of the Moon’s Distance

Asteroid 2026 JH2 Makes Safe 91,600-Kilometer Flyby of Earth

Newly Found Asteroid 2026 JH2 to Pass About 57,000 Miles from Earth on Monday

NASA’s Psyche Skims Mars for Gravity Assist on Course to Metal-Rich Asteroid

Newly Discovered Asteroid to Make Very Close, Safe Earth Flyby on Monday

NASA’s Psyche Spots Crescent Mars Ahead of May 15 Gravity Assist

NASA Confirms Asteroid 2024 YR4 Poses No Threat to Earth or Moon

Study Maps 153- and 226-Day Round-Trip Paths Between Earth and Mars

Apophis Will Sweep 20,000 Miles From Earth in 2029 Close Pass, NASA Says