Scientists have made the record-breaking detection of oxygen in an ancient galaxy that existed just 300 million years after ...

Scientists using two enormous telescopes — one on Earth and the other in space — have detected oxygen in the most ancient known galaxy, a star-scape beaming light just 300 million years after the Big ...

The latest discovery marks the furthest detection of oxygen ever made and defies what we thought about how galaxies formed in the early universe.

The “dark energy” field that has fueled the expansion has been weakening over the past 4 billion to 5 billion years, new data ...

A European space telescope launched to explore the dark universe has released a trove of new data on distant galaxies.

Though tiny, this newfound satellite galaxy around M31 offers big lessons — and questions — about how galaxies evolve.

The European Space Agency has released the first batch of large-scale images from the Euclid space telescope, which ...

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

Although the telescope is just getting started on its mission, it has already delivered some impressive snapshots of the dark ...

A European space telescope launched to explore the dark universe has released a trove of new data on distant galaxies.

Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

Giant Exoplanets in HR 8799 System Likely Formed Like Jupiter and Saturn The first exoplanet was discovered in the 1990s, but ...