From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

The shape of the universe is not something we often think about. My colleagues and I have published a new study that suggests ...

But there are several important anomalies, including a widely debated one called the Hubble tension. It is named after Edwin ...

By studying tiny distortions in the shapes of distant galaxies, scientists mapped dark matter and dark energy across one of the largest sky surveys ever assembled. Their results back the standard ...