Transmissions show early instruction for an Army helicopter to avoid the passenger jet.

The flight path into Reagan National Airport was busy in the minutes leading up to the collision. Ten aircraft were recorded ...

On this date, Jan. 29, 1859, American astronomer William Cranch Bond died. Cranch and his son, George Phillps Bond, ...

The American Astronomical Society is calling on all nations to ban advertising in space that can be seen from the ground. Their concern is that "obtrusive ...

A chunk of space rock that visited near Earth's orbit last year was widely called a "mini-moon," a nickname that was more ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

JWST revealed a massive star that ended its life in an explosion when the universe was just a cosmic toddler.

BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

In a letter to his replacement, outgoing NASA leader Bill Nelson emphasizes the agency’s activities ‘transcend the length of ...

What an amateur astronomer recently took to be a newly-discovered asteroid turned out to be a Tesla Roadster voyaging through ...

A retired Tucson heart doctor won a national amateur astronomy award for helping University of Arizona scientists detect some ...