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A 'city-killer' asteroid might hit Earth -- how worried should we be?
Washington (AFP) Feb 5, 2025 A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly as bright as the Sun. Shockwaves powerful enough to flatten everything for miles. It may sound apocalyptic, but a newly detected asteroid nearly the size of a football field now has a greater than one percent chance of colliding with Earth in about eight years. Such an impact has the potential for city-level devastation, depending on where it strikes. Scientists aren' ... read more |
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A 'city-killer' asteroid might hit Earth -- how worried should we be?Washington (AFP) Feb 1, 2025 A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly as bright as the Sun. Shockwaves powerful enough to flatten everything for miles. ... more 
Rochester's Kevin Righter kept NASA space rocks free from contaminationRochester BY (SPX) Feb 03, 2025 Long before a NASA spacecraft carrying rocks it extracted from the surface of an asteroid millions of miles from Earth touched down in the Utah desert in September 2023, a team of scientists set abo ... more 
Life's building blocks in Bennu samplesTokyo, Japan (SPX) Jan 30, 2025 Japanese collaborators detected all five nucleobases - building blocks of DNA and RNA - in samples returned from asteroid Bennu by NASA's OSIRIS-REx mission. Asteroids, small airless bodies wi ... more 
ESA Monitoring Potential Threat from Near-Earth Asteroid 2024 YR4Paris, France (SPX) Jan 30, 2025 The European Space Agency's (ESA) Planetary Defence Office is closely tracking asteroid 2024 YR4, a newly discovered near-Earth object that has a minimal chance of impacting Earth in December 2032. ... more |
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Major component of NASA's NEO Surveyor enters deep space testingLos Angeles CA (SPX) Jan 23, 2025 A critical component of NASA's Near-Earth Object (NEO) Surveyor mission has begun a rigorous testing phase at the Johnson Space Center in Houston. Known as the instrument enclosure, the structure sp ... more 
Bright Comet's Tail Dazzles in Images from ESA/NASA SOHO SpacecraftGreenbelt MD (SPX) Jan 23, 2025 From Jan. 11 to 15, 2025, a bright comet surged through images from the ESA (European Space Agency) and NASA SOHO (Solar and Heliospheric Observatory) spacecraft. Called C/2024 G3 (ATLAS), the comet ... more 
Asteroid impact sulfur release less lethal in dinosaur extinctionParis, France (SPX) Jan 17, 2025 Approximately 66 million years ago, a massive asteroid known as the Chicxulub impactor struck the Yucatan Peninsula in present-day Mexico. Measuring an estimated 10 to 15 kilometers in diameter, the ... more 
Quadrantid Meteor Shower offers 'perfect New Year treat'London, UK (SPX) Jan 10, 2025 One of Earth's most spectacular meteor showers will light up the night sky with an array of dazzling 'shooting stars' over the next fortnight. Stargazers will have a chance to catch a glimpse ... more 
UCF scientists examine unique asteroid-comet hybridOrlando FL (SPX) Dec 26, 2024 Although our Solar System is billions of years old, we've only recently become better acquainted with one of its more dynamic and captivating inhabitants known as (2060) Chiron. Chiron belongs ... more |
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Lab experiments explore origins of gullies on Asteroid Vesta
Los Angeles CA (SPX) Dec 23, 2024 The rugged surface of asteroid Vesta, studied extensively by NASA's Dawn mission, features craters and mysterious gullies whose formation has puzzled scientists. These deep channels, previously hypothesized to result from debris flows driven by meteoroid impacts and temperature changes, are now thought to involve a surprising factor: brief flows of water. A recent NASA-funded study, published in the Planetary Science Journal, suggests that meteoroid impacts on Vesta could have melted subsurface br ... read more 
Webb Telescope detects new population of small Main Belt AsteroidsLos Angeles CA (SPX) Dec 23, 2024 The James Webb Space Telescope (JWST) has expanded its role in solar system research, revealing a previously undetectable population of small asteroids within the main asteroid belt between Mars and ... more |
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Webb offers best glimpse ever into the icy planetesimals of the early solar systemOrlando FL (SPX) Dec 20, 2024 New studies led by researchers at the University of Central Florida offer for the first time a clearer picture of how the outer solar system formed and evolved based on analyses of trans-Neptunian o ... more
How to find a comet before it hits EarthFlagstaff AZ (SPX) Dec 20, 2024 Q: How do you find a comet that could pose a threat to Earth but hasn't passed our planet in the last 200 years or more? A: You look for its footprint. This is the basis of research led ... more 
It's an Asteroid, it's a Comet, it's the Geminids Meteor Shower!Huntsville AL (SPX) Dec 13, 2024 The Geminids meteor shower is back for its annual December show of beautiful bright and fast meteors. The Geminids, which will peak on the night between Dec 13 - 14 in 2024, is considered to be one ... more 
Lucy completes key Earth gravity assist maneuverLos Angeles CA (SPX) Dec 13, 2024 NASA's Lucy spacecraft executed a critical gravity assist maneuver on Dec. 12, 2024, skimming just 220 miles (360 kilometers) above Earth's surface. This close approach, occurring at 11:15 p.m. EST, ... more 
NASA research uncovers expanding dark comet populationsLos Angeles CA (SPX) Dec 10, 2024 NASA researchers have announced the discovery of seven additional dark comets, celestial bodies that appear asteroid-like but exhibit cometary behavior. This findi ... more |
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