There are many natural wonders of the world, but how many can be seen from space? Now there are many photos showing Earth from space.

The Grand Canyon, Himalayas, and Amazon River are so big they appear in satellite photos. Here are more things massive enough to be seen from space.

25. Artemis I When I asked readers on social media for suggestions about the coolest things they’ve seen in spaceflight during the last 25 years, I received hundreds of suggestions.

The astronauts lost track of the bag while performing maintenance outside the International Space Station this month. Now it’s floating in space.

We should not be surprised that some of the innumerable rocks on Mars have weird shapes, because many have been sand-blasted by wind erosion for billions of years.

Solar farms in orbit, nuclear power on the moon, space elevators and interstellar travel — which might we see happen first? World Space Week this year, which runs between Oct. 4 and Oct. 10,is ...

Here are seven of the most terrifying things in space, including solar flares, black holes and supernovas.

Discoveries beyond our planet and dazzling images of the cosmos provided a bright spot in 2020. Here’s a look at some of the things astronomers learned about our solar system and the vast ...

Astronauts who have looked down at planet Earth from the stillness of space often describe the moment as a life-changing experience.

Researchers traced long, bright radio pulses, combined with X-rays, to an intriguing cosmic object 15,000 light-years from Earth, according to a new study.

The race is on to put hotels in space and neighborhoods on the moon. Here’s some of what we know about how Earthlings fare beyond the safety of our home world.