Perplexing data in the early 2000s raised questions about how planetary formation began in the universe, and new data from ...

The revolutionary James Webb Space Telescope and next-gen radio telescopes are probing what’s known as the epoch of reionization. It holds clues to the first stars and galaxies, and perhaps the nature ...

Credit: NASA, ESA, CSA, STScI "Space is big ... Cepheid variables are an important rung on the cosmic distance ladder, a system astronomers use that builds one observation on another to draw ...