Two British start-ups claim their biofuel-based rockets produce much less carbon emissions and dangerous soot particles than their fossil fuel-powered counterparts.
On Oct. 25, 1671, the Italian astronomer Giovanni Cassini discovered a new moon at Saturn! See how it happened in our On This Day In Space series.
A 'space juggler' plans to release a film shortly about the joys and challenges of doing performance art in zero gravity.
Remnants of ancient asteroids revealed Earth was bombarded by massive space rocks more often than previously thought, vastly altering oxygen levels in the planet's early atmosphere.
Privateer aims to help humanity tackle its growing space-junk problem, and the startup has just hired one of the people who will lead this ambitious effort.
SpaceX's Starship prototype fired its vacuum Raptor engine for the first time on Thursday last week ahead of a possible debut orbital flight in November.
Apple TV+'s new sci-fi series "Invasion" follows people around the world during an alien attack. Here's our first look and interview.
Free League Publishing unites with Alcon Entertainment to deliver a dark new "Blade Runner" roleplaying game for 2022.
Hero Collector's new book "Battlestar Galactica: Designing Spaceships" features an incredible collection of never-before-seen concept artwork .
The asteroid that crashed into Earth 66 million years ago unleashed a catastrophic series of events.
China has test fired a huge new solid rocket motor, creating more propulsion options for the country’s growing space activities.
An Ariane 5 rocket will launch satellites for SES and the French military tonight, Oct. 23, and you can watch it live here.
There's a lot to look at between now and the December solstice: two eclipses, four meteor showers, Venus reaching its pinnacle in brilliance and a potential bright comet!
Physicists propose a new plan to "slice and dice" incoming asteroids that could save Earth from a deadly calamity.
The U.S. needs to invest more in nuclear-powered spacecraft to be competitive with nations like China, experts say.
For the next two and a half weeks, early-morning skywatchers will have an excellent opportunity to spot the so-called "elusive planet" — Mercury.