Avi Loeb said bases this hypothesis on a July 21 image captured by the Hubble Space Telescope and shared by NASA.

Interstellar object 3I/ATLAS shows unexpected frontal glow that Harvard's Avi Loeb says cannot be explained by sunlight reflection or standard cometary outgassing.

An unidentified object originating outside the solar system is expected to travel past Earth in the coming months. The Guardian reports that the interstellar object is travelling towards the sun at a ...

A respected Harvard astrophysicist has shared new claims about the mysterious interstellar object in our Solar System, saying there are signs it is not an ordinary comet.

In early 2022, NASA’s Hubble Space Telescope captured images of the oldest and most distant star anyone had ever seen. Astronomers nicknamed it Earendel, taken from the Old English word meaning ...

The Milky Way is expected to shine every night through August as it gets higher in a darker sky throughout the United States, ...

Could humans be heading to Mars in the 2030s? Here's how Elon Musk and SpaceX plan to launch Starship on a mission to colonize the Red Planet.

SpaceX could soon launch its third Falcon 9 rocket of the month from California, but it may be hard to see this time soaring over Arizona.

Elon Musk founded SpaceX in 2002 in part with the goal of one day establishing a city on Mars - a plan Starship prominently figures into.