These images from the Hubble Space Telescope show the comet C/2014 UN271 (Bernardinelli-Berstein), the biggest comet ever seen, NASA says. (Image credit: NASA, ESA, Man-To Hui (Macau University of Sc… [+5315 chars]
A sunrise view of the Artemis I Space Launch System (SLS) and Orion spacecraft at Launch Pad 39B at NASAs Kennedy Space Center in Florida on April 11, 2022. Mist rises from a nearby waterway. The SLS… [+1967 chars]
Traveling by snail may not sound like the quickest way to get around, but it's faster than walking ... if you're a tardigrade. Eight-legged, endearingly tubby tardigrades — near-microscopic organ… [+5689 chars]
The space agency has yet to develop a specialized training program for the astronauts, lacks critical equipment such as new space suits to protect them against deadly levels of radiation, and is stil… [+10614 chars]
Frost extends across the surface of a southern crater on Mars in a new photo of the Red Planet. The High Resolution Imaging Science Experiment (HiRISE) onboard NASA's Mars Reconnaissance Orbiter … [+1685 chars]
Astronomers have discovered a dusty, red object 13 billion light-years from Earth that may be the earliest known ancestor of a supermassive black hole. The ancient object shows characteristics that … [+3850 chars]
A binary star system, 5,000 light-years from Earth, that explodes in a dramatic nova every 15 years has been seen by a pair of MAGIC telescopes. RS Ophiuchi (RS Oph) is in the constellation of the S… [+4021 chars]
Traveling by snail may not sound like the quickest way to get around, but it's faster than walking ... if you're a tardigrade. Eight-legged, endearingly tubby tardigrades — near-microscopic organ… [+5689 chars]
NASA's Mars helicopter Ingenuity just flew farther and faster than it ever has before. The 4-pound (1.8 kilograms) Ingenuity aced its 25th flight on the Red Planet last Friday (April 8), setting n… [+2808 chars]
Evolution of early life artists concept. Diverse life forms may have evolved earlier than previously thought. Diverse microbial life existed on Earth at least 3.75 billion years ago, suggests a new… [+7750 chars]
Evolution of early life artists concept. Diverse life forms may have evolved earlier than previously thought. Diverse microbial life existed on Earth at least 3.75 billion years ago, suggests a new… [+7750 chars]
A binary star system, 5,000 light-years from Earth, that explodes in a dramatic nova every 15 years has been seen by a pair of MAGIC telescopes. RS Ophiuchi (RS Oph) is in the constellation of the S… [+4021 chars]
