Team member Nathalie Jones of the Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA) assessed GPI ...

Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around (peri) the sun (helios).

Many tech billionaires, including Musk, fall squarely into the “proponents” category. With a blockbuster IPO on the horizon ...

Earth's orbit is an ellipse, not a perfect circle. Earth's distance from the Sun varies by about 3 million miles throughout the year. Earth's orbit's semimajor axis is approximately 93 million miles.

SES completed its long-anticipated acquisition of Intelsat this summer, 15 months after agreeing to combine and create the ...

Slow orbital changes caused pulses in Earth's oxygen cycle 500 million years ago, which spurred explosions of animal life.

Google recently unveiled Project Suncatcher, a research "moonshot" aiming to build a data center in space. The tech giant ...

Jeff Bezos, Elon Musk and Sundar Pichai are leading a new space race to build orbital data centres, aiming to revolutionise ...

The European Vega C rocket blasted off into space on Monday, successfully putting a South Korean Kompsat-7 satellite into ...

Virgin Orbit demonstrated on Wednesday morning that its first spaceflight in January was no fluke. The company's Cosmic Girl aircraft took off from Mojave Air and Space Port an hour after sunrise ...