Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

Their discovery showed that even tucked away in our innards – in the walls of our stomachs, subjected to vinegar-like pH ...

If we achieve advanced nuclear, antimatter propulsion or other advance propulsion it would be possible to achieve near constant acceleration. This would ...

Hera spacecraft captured an extraordinary near-infrared image of Mars’ moon Deimos during a flyby of the Red Planet. This ...

"It's like a game of billiards around the solar system, flying by a couple of planets at just the right angle and timing to ...

Nuclear pulse propulsion is a technology that would work. It was being developed in the 1960s. It was stopped because of the nuclear test ban treaty and ...

A space probe named Hera captured images of Mars' small Deimos moon while on a mission to examine an asteroid.

Spacecraft near the Earth use large solar panels to harness the Sun for the electricity needed to run their communications systems and science instruments. However, the farther into space you go, the ...

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity — or not.

While the car-sized spacecraft flew around the Mars system, flight controllers on Earth temporarily lost communication with ...

With an orbit of 647 days, HD 20794 d is similar to Mars in our solar system. However, its orbit around the star is highly ...

Robert Zubrin, the planet’s leading strategist for landing humans on Mars, predicts SpaceX’s Starship will win the race to speed astronauts to Mars, but not until 2031.