If the number of satellites in Earth’s orbit exceeds 100,000, humanity may lose its ability to study the universe from the planet’s surface. That’s the conclusion of a study conducted by astronomers from the European Southern Observatory (ESO) which warns…
A research volunteer uses augmented reality goggles to perform astronaut-like tasks during a simulated space mission. Participants selected for NASA’s first Moon and Mars Exploration Analog mission also will perform tasks in immersive, interactive environments while living inside habitats that…
The three-planet evening show that graced June’s twilight sky has now dwindled to one lone survivor. Mercury and Jupiter are now swinging behind the sun and are lost in the bright solar glare. Only Venus remains evident after sunset, and…
A Katalyst engineer runs tests on LINK while the satellite is inside the Pegasus XL rocket attached to the Stargazer aircraft at NASA’s Wallops Flight Facility. NASA/Ron Beard A first-of-its-kind mission to raise the orbit of NASA’s Neil Gehrels Swift…
Earth Observatory Science Earth Observatory A Most “Pleasantly… Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Life on Earth Human Dimensions Natural Events Oceans Remote Sensing Technology Snow & Ice Water…
The universe is ready for its close-up! That’s because today marks the day that the Vera C. Rubin Observatory begins it’s 10-year mission to shoot the greatest cosmic move ever created. The decade-long project officially known as the Legacy Survey…
ESA/Hubble & NASA, A. Sarajedini, G. Piotto This image released on June 26, 2026, features the globular cluster NGC 6723, sometimes called the Chandelier Cluster. Like its namesake, it sparkles with countless lights. However, each ‘lightbulb’ in this chandelier is…
The past 250 years of optical telescopes have seen revolutionary discoveries and technology that the telescope’s inventor, a seventeenth century spectacle-maker by the name of Hans Lippershey, maybe wouldn’t have believed possible. When we look back through the annals of…
The United States’ 250th birthday is right around the corner and what better way to celebrate than by looking for a star whose light began its journey to Earth around the time the Declaration of Independence was signed? Starlight travels…
X-ray: NASA/CXC/SAO; Optical: NASA/ESA/STScI/AURA; IR:NASA/JPL/Caltech; Image Processing: NASA Wolk Flight engineer Sophie Adenot of ESA (European Space Agency) helps flight engineer Chris Williams of NASA as he tries on his spacesuit on June 23, 2026, testing its comfort and mobility…