"The universe is filled with a range of three-body systems, including the closest stars to Earth, the Alpha Centauri star ...

Get all the news you need in your inbox each morning. The findings it beams back to Earth during its two-year ...

NASA's Hubble Space Telescope has uncovered 36 new dwarf galaxies around Andromeda and ongoing star formation within them, ...

In this NASA/ESA Hubble Space Telescope image, Hubble once again lifts the veil on a famous—and frequently ...

As it nears 35 consecutive years of space service, the NASA/ESA Hubble Space Telescope has taken another look at a famous ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

A family portrait of the Andromeda galaxy and its orbiting dwarf satellites raises questions about how galaxies evolve.

The puzzle of predicting how three gravitationally bound bodies move in space has challenged mathematicians for centuries, and has most recently been popularized in the novel and television show "3 ...

NASA's Hubble Space Telescope reveals surprising details about Andromeda's satellite galaxies, offering fresh insights into ...

The agency is encouraging astronomy clubs to throw “star parties” to introduce people to the nebulae and galaxies spotted by ...

A new image from the Hubble Space Telescope shows one of the most famous and beautiful objects in the night sky.

This month, a new kind of space telescope is setting out on a two-year ... To simplify the mission of SPHEREx compared with that of the Webb or Hubble telescopes, it's helpful to think of SPHEREx ...