Dec. 19 (UPI) -- Comet 3I/ATLAS passed its nearest point to Earth early Friday and approaching within 168 million miles.

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a ...

A new image of M87 shows and confirms for the first time the feeding ring and jet of its supermassive black hole.

NASA’s PUNCH mission captured detailed images of solar coronal mass ejections, tracking their movement from the Sun’s corona ...

NASA is preparing to turn the center of our own galaxy into a precision test bed, using the Nancy Grace Roman Space Telescope ...

Astronomers have repeatedly observed events near a distant star that mirror processes from the early solar system’s ...

A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

Astronomers have repeatedly observed events near a distant star that mirror processes from the early solar system's ...

The spacecraft that has quietly rewritten our understanding of Mars just crossed a very visible milestone: the Mars ...

A Flourtown man will spend up to six years in prison for leaving the scene of a crash after he struck and killed a Norristown ...

Space telescopes are typically optimized either to study a small patch of the sky across many wavelengths of light or to ...