Will Dunham, Reuters | Posted Oct. 21 - 5:33 p.m.
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The space rock that slammed into Earth 66 million years ago at the end of the Cretaceous Period caused a global calamity that doomed the dinosaurs and many other life forms. But that was far from the largest meteorite to strike our planet.
Marcia Dunn, Associated Press | Posted Oct. 16 - 5:32 p.m.
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October's supermoon is the closest of the year and it's teaming up with a comet for a rare stargazing two-for-one. The moon will be 222,055 miles away Wednesday night.
Timothy Gardner, Reuters | Posted Oct. 16 - 11:26 a.m.
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The U.S. on Wednesday opened applications for up to $900 million in funding to support the initial domestic deployment of small modular reactor nuclear technology.
Art Raymond, Deseret News | Posted Oct. 15 - 9:34 p.m.
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NASA's Europa Clipper lifted off from Cape Canaveral, Florida, on Monday atop a SpaceX Falcon 9 rocket on a historic mission to its namesake Europa, one of Jupiter's many satellites and a moon with an enormous subsurface ocean that scientists believe may have conditions to support life.
Carter Williams, KSL.com | Posted Oct. 15 - 9:01 p.m.
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Utah transportation officials are quickly replacing old crosswalk buttons with a new technology that is more accessible for people crossing busy state roadways.
Will Dunham, Reuters | Posted Oct. 14 - 6:55 a.m.
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NASA is set to launch a spacecraft to Jupiter's moon Europa, considered one of our solar system's most promising spots to search for life beyond Earth, to learn whether this ice-encased world believed to harbor a vast underground ocean is habitable.
Emma Pinedo, Reuters | Updated Oct. 13 - 6:29 p.m.
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Spanish scientists said they will reveal details of the nationality of 15th-century explorer Christopher Columbus on Saturday, after using DNA analysis to tackle a centuries-old mystery.
Marcia Dunn, Associated Press | Updated Oct. 13 - 11:01 a.m.
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SpaceX has pulled off the boldest test flight yet of its enormous Starship rocket, catching the returning booster back at the Texas launch pad with mechanical arms Sunday, shortly after liftoff.
Zaheer Kachwala, Reuters | Posted Oct. 12 - 10:42 p.m.
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SpaceX has used its dominant position as the primary rocket launcher to push satellite rivals to share wireless airwaves with its Starlink broadband internet business, the Wall Street Journal reported on Wednesday.
Ryan Boyce for KSL.com | Posted Oct. 12 - 2:11 p.m.
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If you have seen enough of the aurora borealis in your social media feeds, be prepared for comets. This week, as a comet hurtles through the inner solar system, stargazers in Utah may be able to spot it with their unaided eye.
Marcia Dunn, Associated Press | Posted Oct. 10 - 9:13 a.m.
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Space weather forecasters say a severe solar storm heading to Earth could stress power grids even more as the U.S. deals with major back-to-back hurricanes. A severe geomagnetic storm watch has been issued for Thursday into Friday.
Adithi Ramakrishnan, Associated Press | Posted Oct. 9 - 9:31 p.m.
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A rare, bright comet will be visible in October, clear skies permitting. The comet will make its closest approach to Earth on Saturday. Astronomers say it should be bright enough to see with the naked eye.
Shawn Chen, Associated Press | Posted Oct. 9 - 10:26 a.m.
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The U.S. Department of Justice is considering asking a federal judge to force Google to sell parts of its business in order to eliminate its online search monopoly. But it's just one of many potential remedies under consideration.
Mike Stobbe, Associated Press | Posted Oct. 7 - 6:04 p.m.
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A new study suggests that humanity is hitting the upper limit of life expectancy. Advances in medical technology and genetic research are not translating into marked jumps in life span overall.
Marcia Dunn, Associated Press | Posted Oct. 7 - 2:05 p.m.
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A spacecraft has blasted off to investigate the scene of a cosmic crash. It's the second part of a planetary defense test that could one day help save Earth.