Over its planned two-year mission, the $488 million telescope will scan the entire night sky every six months and collect ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

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

NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into ...

Dark energy is the mysterious force thought to be accelerating the universe. . But a new study hints that scientists may have ...

The earliest acoustic vibrations in the cosmos weren’t exactly sound – they travelled at half the speed of light and there ...

Scientists have identified a strange cosmic relic called Cloud-9 — a starless, gas-filled object dominated by dark matter.

Astronomers used gravitational lensing to detect a supernova 10 billion light-years away, providing spatially separated images that help study cosmic expansion and early Universe events.

Bigger than Hubble and launching as soon as 2029, the Lazuli Space Observatory would be the first-ever full-scale private ...

Gas within the cluster, which existed merely 1.4 billion years after the Big Bang, is at least five times hotter than ...

A first-of-its-kind space telescope could soon launch into orbit and potentially chart a new path forward for astronomy.

A new study questions dark energy's role in the universe's acceleration, suggesting it may be weakening instead.