Before you break open the dictionary to grapple with terms such as kilohertz, plasma waves or the heliopause, there's a fundamental aspect of space exploration that still can make a 73-year-old ...

Astronomers have captured new, detailed maps of three nearby interstellar gas clouds containing regions of ongoing high-mass star formation. The results of this survey, called the Star Formation ...

Physicist Avi Loeb and his team have used NASA data of meteor impacts to identify interstellar meteors. The NASA data was so good they were able to pinpoint a candidate meteor that hit near Australia.

The project is led by Avi Loeb, a Harvard astronomer who argued that interstellar object ‘Oumuamua might be an alien probe. Reading time 4 minutes A new project seeks to uncover evidence of aliens, ...

During comet 3I/ATLAS's closest approach to Earth, the Breakthrough Listen project attempted to search the interstellar visitor for signs of technosignatures, or signs of alien beings sending ...

Interstellar comet 3I/ATLAS will make its closest approach to Earth on Friday. New X-ray images could shed light on its composition.

I/ATLAS will pass Earth safely tonight, providing scientists with a unique opportunity to study material from outside our solar system.

Humanity's fascination with the unknown is a timeless impulse, rooted in curiosity and the desire to push boundaries, uncover mysteries, and open doors to new frontiers. What were once represented by ...

Physicist Stephen Hawking and Russian billionaire Yuri Milner have announced a new $100 million dollar program that hopes to lay the groundwork for interstellar travel.

Interstellar comet 3I/ATLAS makes its closest Earth flyby tonight at 1 a.m. EST, NASA confirms. Learn when and how to watch live.