Sierra Space Chief Medical Officer Dr. Tom Marshburn shares how medical research in space makes a difference here on Earth.

"To my knowledge, I am the first and only amateur astronomer to have galaxies named after them." ...

"Five new portraits of our cosmos were captured during Euclid's early observations phase, each revealing amazing new science, ...

The Celestron Astro Fi telescope features in our best telescopes guide and now it comes with a $230 discount thanks to these ...

SpaceX launced a pioneering set of spy satellites for the U.S. government early on Wednesday morning (May 22). A Falcon 9 ...

"The next possible launch opportunity is still being discussed." The first astronaut mission aboard Boeing's Starliner is ...

"We show that isolated perturbations near the sun's surface, far from the deeper layers, can grow over time to potentially ...

"This study allows us to start to answer the question: What are the most cost-effective actions we can take to address the ...

"Frame dragging is an effect present around all spinning black holes." The "wobbling" remains of a star that suffered a ...

The "augmented maneuver mission" will allow a U.S. military satellite to change its orbit. The U.S. Space Force has ordered a ...

The first Dream Chaser space plane has reached Florida's Space Coast to get ready for its upcoming liftoff.

The Doctor has his foot on a landmine throughout this high-concept adventure for episode 3 — but who's the real enemy on ...