Venus, Jupiter, Saturn and a faint Mercury are visible this month to the naked eye, and the best chances to spot them are ...

An interstellar comet spotted by NASA is headed for our solar system, showing up near Earth later this year, but it's another ...

From the ISS, scientists are capturing rare lightning above storms that could impact radio, climate, and safety.

With the help of AI, scientists from the CfA and MIT working within the Young Supernova Experiment uncovered evidence of a star’s violent collapse while interacting with a black hole.

For centuries, Earth’s moon has captivated our imaginations. From ancient myths to modern science, it’s been a symbol of ...

SpaceX is preparing to launch two missions this week - a NASA space station resupply mission and the mysterious Space Force X-37B space plane.

For the truly intrepid, a 10-day mission to the International Space Station awaits. After four months of rigorous training, ...

Orbital transfer vehicles launch atop rockets, carrying other spacecraft that they deliver to specific, often hard-to-reach, ...

To transform Mars into a new bioengineered Eden for human colonists, scientists have resurrected sci-fi juggernaut Arthur ...

Engineers completed a final test of Starship's propulsion system with a so-called "spin prime" test Wednesday at the launch ...

If humans are going to spend as much time in space as some hope we will, it’s important to understand the impact spaceflight ...

Spike + Denzel is still magic. Make time for "Highest 2 Lowest" plus sci-fi show "Alien: Earth" and Daniel Dae Kim's latest TV project "Butterfly." ...