The idea that Earth has only one moon is considered to be true, but that isn't always the case. In fact, sometimes, it's had ...

For just a few months, Earth hosted a "second moon," much smaller than our faithful historical companion. This fleeting ...

Welcome to Edition 7.21 of the Rocket Report! We're publishing the Rocket Report a little early this week due to the ...

Earth has a temporary, tiny companion. While not quite a "mini moon," since it will never be captured by Earth's gravity, ...

GET set for the Geminid meteor shower: a shooting star spectacular for the end of the year.

Stoke is designing and building its rocket in Kent and test firing engine prototypes at Moses Lake in Central Washington.

Astronomers used the Two-meter Twin Telescope to catch a "see-you-soon" image of the departing asteroid 2024 PT5.

At a headquarters in Kent, Wash., engineers are assembling giant barrel-shaped sections of a rocket and two very different engines designed to make not just the booster but the upper stage of the ...

Over the past few weeks, you’ve might have heard somewhere that Earth was about to get a second moon. Now it’s confirmed, ...

Preliminary research suggests asteroid 2024 PT5, which stuck around Earth for almost two months, has lunar origins ...

Asteroid 2024 PT5 didn't stick around for Thanksgiving, but don't be sad. It will be back... but will it ever be a second ...

Earth has separated from its temporary second moon, but it's not the last time Earth will say hello to the space rock.