Floating high above Earth's atmosphere, the Hubble Space Telescope has captured some of the most breathtaking images ever ...

Cosmic dust, it turns out, isn’t made of miniature rocks. It’s fluff. A comprehensive analysis of data from space missions, ...

When you think of telescopes in space, you probably think of the Hubble Space Telescope and its younger, larger sibling, the ...

This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly ...

The Habitable Worlds Observatory is poised to tell us whether Earthlike planets are common—if it can get off the ground ...

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure ...

A new study rules out the existence of global oceans of water on Neptune-like planets such as K2-18b, finding their water ...

A respected Harvard astrophysicist believes one of the most famous signals ever sent to Earth could have been sent by the ...

How old is interstellar comet 3I/Atlas? How do we know it is coming from interstellar space? Will it hit Earth? What is its ...

Scientists have gotten a never-before-seen look at an area around a large exoplanet 625 light-years away where moons like the ...

Hundreds of scientists and engineers, NASA leaders, lobbyists, congressional staffers and Senator Mark Kelly of Arizona are also discussing the search for ET. Surveilling alien worlds for signs of ...

The entire progression will be observed by the ESA’s orbiters the Mars Express and ExoMars Trace Gas Orbiter as well as NASA’s Mars Reconnaissance Orbiter which will utilize the cutting edge HiRISA ...