Science ❯ Astrobiology

Planetary Science

Mars Exploration Habitability Mars Research Small Bodies Mars Asteroids Moons of Jupiter Planetary Formation Near-Earth Objects Europa Celestial Bodies Star-Planet Interactions Earth Systems Titan Mars Studies Asteroid Characteristics Life on Mars Life on Other Planets Planetesimals Goldilocks Zone Enceladus Asteroid Composition Earth-Moon System Mars Colonization Planetary Environments Solar System Formation Meteorites Sample Collection Lunar Studies Red Dwarf Stars Orbital Dynamics Solar System Substellar Objects Habitability Zones Exoplanets Planetary Systems Humanity's Future Earth's Companions Space Exploration Exoplanet Detection

Study Finds Earth’s Phosphorus and Nitrogen Came From the Inner Solar System

Laboratory recreations of iron‑meteorite cores and geochemical accretion models show Jupiter’s growth blocked cross‑disk transport and produced opposing P/N gradients that favored inner‑system sources for Earth.

Scientists Outline 'Agnostic Biosignature' to Find Life Through Planetary Patterns

Tardigrades Struggle in Martian Soil Simulant, Then Recover After a Water Rinse

Yellowstone Quake Swarm Briefly Rewired a Deep Aquifer’s Chemistry and Microbes

NASA Concludes Deep-Space Laser Demo With Psyche’s Final Downlink at 218 Million Miles

Astronomers Confirm 2025 PN7 as a New Earth Quasi-Moon

Webb Releases Multiwavelength View of the 'Butterfly Star,' Revealing Dust Settling in a Planet-Building Disk

Autonomous Synthetic Lichens Enable 3D-Printed Structures on Mars