An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Located less than 20 light years away, HD 20794d could potentially be one of the most Earth-like planets found so far, ...

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

Firefly Aerospace's Blue Ghost moon lander caught haunting images of Earth while preparing to make its way towards lunar ...

And while the back-to-back road victories came against teams with losing records and NET rankings below 300, the Dukes also ...

Through conversations with Kings officials in recent weeks, Houston Rockets officials were aware of the increasing likelihood ...

Because the period of an object does not depend on its mass, comets’ orbital periods remain unchanged due to mass loss.

A planet that may support alien life has been discovered less than 20 light-years from Earth. The "promising" super-Earth - ...

The Blue Ghost lunar lander, built by the Texas-based company Firefly Aerospace for NASA, launched to space on Jan. 15, and ...

But according to an international team of researchers, including some from the University of Geneva, in a study published ...

So why has the sun been rising later than it did on Dec. 21? Like much of our day and night cycles, the answer lies in Earth's rotation and orbit. Yes, the sun has risen later than it did Dec. 21 ...

Blue Origin launched its massive new rocket on its first test flight Thursday, sending up a prototype satellite to orbit ...