Scientists simulated a situation that may offer an improved explanation for how the Red Planet ended up with small Phobos and ...

For years, the idea of a mysterious “Planet Nine” lurking on the edges of our solar system has captivated astronomers and ...

Ever since William Herschel discovered Uranus in 1781, astronomers have been eager to find new planets on the outer edge of ...

NASA gives the semimajor axis of our planet's orbit as nearly 93 million miles (149,598,000 km ... we find that Earth's ...

Weighing 4,700 kg, GSAT-20 was too heavy for India's current launch vehicles, following which ISRO turned to Space X ...

After stage separation, the rocket's first-stage booster completed its 20th flight by touching down atop a SpaceX drone ship ...

GSAT-N2's launch was the third for SpaceX in less than a day. The company launched a satellite for the Australian telecom ...

A BUS-SIZED “mini moon” is in the final days of its trip to Earth’s skies – and will soon vanish until 2055. The holidaying ...

SpaceX’s massive Starship rocket has the potential to transform the commercial space economy, ensure America’s position as ...

If there is some planet nine, or "Planet X" lurking out there ... astronomers can measure things such as the orbit and shape of the body. Through an occultation, we discovered that the asteroid ...

President-elect Donald Trump was on hand with Elon Musk for the sixth test flight of SpaceX's huge Super Heavy-Starship ...

President-elect Donald Trump was on hand with Elon Musk for the sixth test flight of SpaceX's huge Super Heavy-Starship ...