Comets without tails, called dark comets, are a newly discovered space object. Now, astronomers know they come in 2 classes.

Meteor showers are some of the most spectacular celestial events of the year - here's how, where and when you can expect to look up and catch one where you live ...

The comet was last seen in Earth's skies in 1986, Halley’s orbit period is on average, 76 Earth years. This corresponds to an orbital circumference around the Sun of about 7.6 billion miles (12.2 ...

Space agencies have systems in place to spot, track, and forecast the future orbits of potentially hazardous asteroids.

When astronomers detected the first known interstellar object, 'Oumuamua, in 2017, it sparked a host of new studies trying to ...

It's responsible for the orbits of the planets and their satellites, but there are other forces that have shaped our planetary neighborhood. A new paper discusses how recoiling ice from comets can ...

WASHINGTON, Feb. 21, 2025 /PRNewswire/ -- NASA has selected SpaceX of Starbase, Texas, to provide launch services for the ...

Comet 311P orbits in the main asteroid belt between Mars and Jupiter. It displays features of both comets and asteroids. Studying it will help researchers learn more about the composition ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

In 1705, English astronomer Edmond Halley used Isaac Newton’s theories of gravitation and planetary motions to compute the orbits of several comets. Halley found the similarities in the orbits ...

Keep your eye on the ball” is a motto for many athletes—and for astronomers trying to find Earth-threatening space rocks ...