HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

The exoplanet HD 20794d swoops in and out of its habitable zone every few hundred days, making for an extreme climate.

Mercury joins the night sky to complete a 7-planet alignment just after sunset for the end of February. Saturn leaves our ...

American space agency NASA awarded a NIAC grant to ThinkOrbital for a study into building a shipyard in space using ...

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...

A dive into probabilities, asteroid impact modeling, and what sort of damage an approximately 180-foot asteroid could cause ...

The Minor Planet Center (MPC) deleted the new asteroid from its records just hours after announcing the discovery after ...

Located less than 20 light years away, HD 20794d could potentially be one of the most Earth-like planets found so far, ...

The Blue Ghost lunar mission has captured a gorgeous image of Earth as it ramps up its journey toward the moon.

The risk of impact is likely to drop to zero as observations of Asteroid 2024 YR4 continue.

Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...

Scientists found an intriguing world in our galaxy.