Twenty years ago, the Huygens probe achieved humanity's first landing on a moon in the outer solar system when it touched ...

Giant ground-based reflector telescopes do much of astronomy's heavy lifting, although the U.S.'s largest in Hawaii is not ...

Leo P, a tiny galaxy, stopped making stars after the universe’s reionization. Unlike most galaxies, it restarted billions of ...

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light ...

Ever since NASA’s James Webb Space Telescope was launched, it’s been revealing more about the universe than even most ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted by ...

Groundbreaking research into Mars' energy balance reveals a polar surplus driving dynamic weather patterns, including massive ...

The instrument is the Prime Focus Spectrograph, and it is one of the flagship instruments in the next era of the Subaru ...

Galactic nuclei images reveal how supermassive black holes interact with their surroundings using infrared telescopes.