A colossal cliff system created as the supercontinent Rodinia broke apart may have exposed the heart of the Grand Canyon nearly a billion years before the Colorado River carved it. The ancient landscape could also help explain why enormous sections of North America’s geological record appear to be missing., ReadContinue Reading
APOD Science APOD APOD: 2026 August 22… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professionalContinue Reading
Agentic workflows are artificial intelligence-powered software systems that chain together multiple models and external tools to tackle complicated tasks, like analyzing a video and answering questions about it. But the way these highly fragmented systems are designed and deployed often causes inefficiencies that can lead to wasted computation, energy, andContinue Reading
When an animal’s environment changes faster than the animal can adapt, its chances of survival can flat-line. The same is true for populations, and even entire species. Now, scientists at MIT and the University of Leicester have found that this connection between evolutionary adaptation and the pace of environmental changeContinue Reading
The Railroad Commission of Texas adopted a new participation policy before sharing it with the public. By Martha Pskowski The three elected officials who regulate the oil and gas industry in Texas hold an open meeting each month in Austin to vote on matters from pipeline violations to permit renewals.Continue Reading
OCHMO OCHMO Standards Home Human Spaceflight Standards Aerospace Medical Certification Standard Aviation Medical Certification Standards Human Integration Design Handbook Human Rating Guidance Mission-Enabling Assessments Technical Briefs All Technical Briefs Fundamentals of Human Health During Space Flight Medical Operations & Clinical Care Vehicle Systems, Interfaces, Structure & Environmental Design Safety, History,Continue Reading
OCHMO OCHMO Standards Home Human Spaceflight Standards Aerospace Medical Certification Standard Aviation Medical Certification Standards Human Integration Design Handbook Human Rating Guidance Mission-Enabling Assessments Technical Briefs All Technical Briefs Fundamentals of Human Health During Space Flight Medical Operations & Clinical Care Vehicle Systems, Interfaces, Structure & Environmental Design Safety, History,Continue Reading
OCHMO OCHMO Standards Home Human Spaceflight Standards Aerospace Medical Certification Standard Aviation Medical Certification Standards Human Integration Design Handbook Human Rating Guidance Mission-Enabling Assessments Technical Briefs All Technical Briefs Fundamentals of Human Health During Space Flight Medical Operations & Clinical Care Vehicle Systems, Interfaces, Structure & Environmental Design Safety, History,Continue Reading
Explore This Section Science Exoplanets TOI-6158 b Exoplanets Home Overview Exoplanet Facts Types of Exoplanets Stars What is the Universe Search for Life The Big Questions Are We Alone? Can We Find Life? The Habitable Zone Why We Search Target Star Catalog Discoveries Discoveries Dashboard How We Find and CharacterizeContinue Reading
Explore This Section Science Exoplanets TOI-7394 B b Exoplanets Home Overview Exoplanet Facts Types of Exoplanets Stars What is the Universe Search for Life The Big Questions Are We Alone? Can We Find Life? The Habitable Zone Why We Search Target Star Catalog Discoveries Discoveries Dashboard How We Find andContinue Reading
3 Min Read NASA Shares Views of August Solar Eclipse from Ground, Air, Space This composite image shows the progression of a total solar eclipse as the Sun sets over San Millán de los Caballeros, Spain, on Wednesday, Aug. 12, 2026. Credits: NASA/Bill Ingalls On Aug. 12, a total solarContinue Reading
ESA astronaut Sophie Adenot tries on a spacesuit to verify its comfort, mobility, and functionality inside the International Space Station’s Quest. NASA/Jessica Meir The Expedition 75 crew wrapped up the work week getting ready for a spacewalk to finish installing a high-speed antenna on the International Space Station. The orbitalContinue Reading
Explore This Section Science Exoplanets KOI-884 e Exoplanets Home Overview Exoplanet Facts Types of Exoplanets Stars What is the Universe Search for Life The Big Questions Are We Alone? Can We Find Life? The Habitable Zone Why We Search Target Star Catalog Discoveries Discoveries Dashboard How We Find and CharacterizeContinue Reading