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 ...

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

On January 18, 2002, the National Science Foundation formally opened the Gemini South telescope in Chile. This became the ...

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

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

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

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

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

The six planets will be visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, ...

Astronomers are raising concerns about the impact of light pollution from a renewable energy project on the world’s most ...

Six planets grace the sky this month in what's called a planetary parade — Venus, Mars, Jupiter and Saturn are visible to the ...