NASA's James Webb Space Telescope has made its first observations of interstellar comet 3I/ATLAS, revealing that the comet ...

Comet 3I/ATLAS is captured in this image by the Gemini North telescope. The incredible sensitivity of Gemini North's ...

Two more of NASA's space telescopes got another look at comet 3I/ATLAS, an interstellar interloper that captured the world's ...

In 1995, the Hubble Space Telescope stared at a blank patch of sky - and revealed thousands of galaxies hidden in plain sight ...

A new study based on recent data provides fresh evidence that instead of being steady, dark energy’s impact on the universe ...

Footage from NASA/ESA Hubble Space Telescope that celebrates 35 years in space. Images of Mars, planetary nebula NGC 2899, ...

To destroy enough matter to explain the Hubble tension, black holes would have to merge at an unrealistic rate.

Hubble reveals star formation secrets in galaxy NGC 2835 using H-alpha detection to map stellar nurseries with surgical ...

I/ATLAS has captured the attention of astronomers—and the public’s fascination—as new clues about its mysterious nature are ...

Images taken with the MIRI infrared camera on the James Webb Space Telescope (JWST) have made it possible to observe the ...

A new set of data strengthens the case that dark energy’s influence on the universe—long believed to be constant—is actually changing over cosmic time.

NASA says its Perseverance rover on Mars has transmitted new imagery that forms one of the sharpest panoramas of the Martian ...