Science Magazine - Page 263 of 5259

Asteroid 2024 YR4·News·Telescopes

Is This Asteroid a Real Threat? Discover the Chilling Details of the 2024 YR4

31 January 2025

Astronomers discovered asteroid 2024 YR4 on December 27, 2023. The asteroid is predicted to approach Earth on December 22, 2032. There is a 1-in-77 chance of collision, meaning a 76-in-77 chance of a near miss. Most small asteroids burn up in Earth’s

Exoplanets·News·Planets·Stars

Super-Earth Surprise: Unveiling the Mysteries of HD 20794 d, Just 20 Light-Years Away

31 January 2025

The super-Earth HD 20794 d, located 20 light-years away, is potentially habitable, orbiting within the life-supporting zone of its star. This exoplanet, twice the size of Earth, resides in the Fornax constellation, orbiting a star similar to our Sun. Advanced techniques like

Mars Exploration·News·Planets

Unlocking Mars’ Secrets: Was Hydrogen the Key to Its Ancient Warmth?

31 January 2025

Mars was once a dynamic planet with rivers and lakes, suggesting it may have supported life. Hydrogen played a key role in warming early Mars, enabling liquid water to exist for extended periods. Research indicates dramatic climate shifts on Mars between wet

News·Planetary Science

NASA’s Juno Unveils Io’s Fiery Secrets: The Most Active Volcanoes in the Universe

31 January 2025

NASA’s Juno spacecraft has revealed Io as the most volcanically active body in the Solar System, with over 400 active volcanoes. During its latest flyby, Juno captured images of a giant volcanic hotspot near Io’s south pole, which emits an astounding 80

News

The Next Gold Rush? Asteroids in Our Sights

31 January 2025

Asteroid mining is emerging as a potential solution to Earth’s dwindling resources, offering abundant metals and minerals. Asteroids in the belt between Mars and Jupiter contain rich deposits of platinum, nickel, and iron. Technological advancements in AI and robotics are key to

Astrobiology·News

Asteroid Bennu: A Cosmic Treasure Trove That Could Unlock the Secrets of Life

31 January 2025

Asteroid Bennu may represent a remnant of a lost, potentially habitable world. The OSIRIS-REx mission successfully collected a sample from Bennu, enhancing our understanding of its origin. Bennu’s material retains a record of ancient cosmic conditions unaffected by Earth’s atmosphere. Researchers found

Galaxies·News

Revolutionary Space Mission: Small Business Takes on the Cosmos

31 January 2025

AVS has secured a contract with ESA for the ARRAKIHS mission to investigate dark matter. The contract includes preliminary design and risk assessment, marking AVS’s entry into high-performance small satellite markets. The mission is scheduled for launch in 2030, leveraging innovative technology

News·Planets·Stars

Don’t Miss the Celestial Spectacle: How to Witness the January 2024 Planetary Parade

31 January 2025

Six planets—Venus, Mars, Jupiter, Saturn, Neptune, and Uranus—align in a rare celestial event on January 25, 2024. The peak of this planetary parade occurs on January 29, offering a unique spectacle for skywatchers. Best viewing is 45 minutes after sunset; Venus, Mars,

Astrobiology·News·Planets

Asteroid Bennu’s Secrets Unveiled: Did This Cosmic Treasure Seed Life on Earth?

31 January 2025

NASA’s OSIRIS-REx mission returned 4.29 ounces of asteroid Bennu’s rock and dust, providing new insights into Earth’s origins. The unaltered samples serve as a time capsule, revealing critical information about the building blocks of life. Research has uncovered significant amounts of ammonia,