Astronomer using Hubble discovers "young stars that are spiraling into the center of a massive cluster of stars in the Small ...

I/ATLAS is set to make its closest approach to Earth, sparking new theories of alien origins due to the latest observed ...

Zoom into the James Webb Space Telescope's view of a star-forming region in the Small Magellanic Cloud known as NGC 346.

An interstellar comet racing through the inner solar system is giving scientists a rare chemical snapshot of material formed around another star, with early findings showing an unexpectedly low water ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

The interstellar comet 3I/ATLAS reaches its closest point to Earth on Dec. 19, allowing close study with no threat to the ...

New gravitational lensing measurements by the TDCOSMO Collaboration support the Hubble Tension, confirming differences between Early and Late Universe Hubble Constant values using updated ...

The Calabash Nebula, pictured here — which has the technical name OH 231.8+04.2 — is a spectacular example of the death of a ...

For the first time, astronomers have captured the brilliance of a superluminous supernova via gravitational lensing.

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

The head of NASA’s astrophysics division offered an upbeat assessment of upcoming missions, a stark contrast to the agency’s ...