Science ❯ Astronomy ❯ Asteroids

Near-Earth Objects

Impact Risk 2024 YR4 Impact Probability 2024 PT5 Planetary Defense Monitoring Potentially Hazardous Asteroids NASA Mini-Moons Detection Impact Threats Asteroid 2024 YR4 2025 FA22 2025 PN7 Impact Risks 2025 OW 2024 MK 2024 BX1 NASA Monitoring Impact Risk Assessment 2024 ON Impact Monitoring Hazardous Asteroids Asteroid 2024 PT5 Apophis NEO Surveyor 2025 QD8 Observation 2025 TF 2025 SC79 Asteroid 2007 EG 2008 OS7 Flyby Asteroid Encounters 2024 GJ2 2016HO3 Close Approaches Asteroid 612356 (2002 JX8) 469219 Kamo oalewa Asteroid 2025 KF 2008 DG5 Venus 2025 QV5 Asteroid Detection Observatories Asteroid Discovery Potential Hazards YR4 Asteroid Hazard Assessment Asteroid 2005 VO5 2005 VO5 2025 OS Monitoring and Detection 2025 OL1 2025 PM Asteroid 2025 PM Comet 3I/ATLAS Asteroid 2025 PM2 Asteroid Characteristics Asteroid 2025 QD8 Ryugu Arjuna Group NASA Tracking 1998 KY26 Quasi-Moons Asteroid 2025 FA22 2025 RJ2 Invisible Asteroids Asteroid Flybys Tracking and Observation Venus Co-orbital Asteroids Asteroid Approaches Observations Tracking Methods Space Rocks Comet Discoveries Asteroid 2024 ON Asteroid 2024 RW1 Impact Events 2024 RW1 Orbital Dynamics 2024 ON Asteroid Asteroid 2013 FW13 NASA Alerts Contact Binaries Temporary Captures Impact Mitigation Strategies Arjuna Asteroid Belt Mini-Moon NASA OSIRIS-REx Mission Co-orbital Asteroids Asteroid Monitoring 2024 XN1 Lunar Origin 2018 CN41 Impact Hazard Distance Measurement 2025 DU2 Torino Scale Bennu

Astronomers Confirm 2025 PN7 as Earth’s Seventh Quasi-Satellite

Its year-long resonance with Earth makes it a safe nearby target for follow-up observations.

NASA Confirms Tiny Asteroid 2025 PN7 as Earth’s Quasi-Moon Through 2083

Tiny Asteroid Skims Earth at ISS Altitude Over Antarctica, Found Only Hours Later

Tiny Asteroid 2025 TF Skims Earth at ISS Altitude in One of Closest Recorded Flybys

Study Flags Hidden Venus Co-Orbitals That Could Drift Into Earth-Crossing Paths

NASA Team Weighs Nuclear Option to Avert Possible 2032 Lunar Strike by Asteroid 2024 YR4

Asteroid 2025 FA22 Safely Speeds Past Earth at More Than Twice the Moon’s Distance

Skyscraper-Size Asteroid 2025 FA22 Makes Safe Earth Flyby on Sept. 18

Ryugu Samples Reveal Billion-Year-Late Liquid Water and a Far Wetter Parent Asteroid

ESA’s Apophis Probe on Track as China Proposes 2029 Flyby

Asteroid 2025 QD8 Makes Close, Safe Flyby of Earth Today

NASA Monitors Five Aircraft-Sized Asteroids After Exceptionally Close 2025 OS Flyby

Asteroid 2024 YR4 Impact Odds on Moon Rise to 4.3%

Researchers Warn Venus Co-Orbital Asteroids Could Endanger Earth