Inside a Martian crater
Hghly detailed images of the surface of Mars.
Rich and varied, the floor of the Kibuye crater on Mars, in the region of Terra Sirenum, looks like an astro-geologis...
The future of in-space manufacturing
Hoisting heavy machinery into space is expensive.
The great advantage of being a crew member in Star Trek was that you had “replicators” to create any object you neede...
Using asteroid science to track space debris
It’s about the environment as well as safety. Richard A. Lovett reports.
Scientists trying to track the cloud of space debris that threatens to make it ever more risky to launch and maintain...
How to get to Mars without going mad
The psychological dangers of long-haul space flights.
The technological challenges involved in sending a crewed mission to Mars are daunting, but new research highlights t...
Reusable rockets explained
Reusable rockets can slash the cost of getting into space.
The bottom of the ocean is a rocket graveyard – littered with the expended shells of thousands of rockets used to sen...
What is the Fermi Paradox?
Why can’t we see any sign of life elsewhere in the universe?
The Fermi Paradox – named after the Italian-American physicist Enrico Fermi – can be summed up in a simple question t...
Apollo 11: the first humans on the moon
Images that redefined our relationship with space.
On July 20 1969, American astronauts Neil Armstrong and Edwin ‘Buzz’ Aldrin became the first people to walk on the Mo...
The Great Red Spot
Getting a much closer look than previously.
On Monday 10 July NASA’s Juno spacecraft swooped over the Great Red Spot, a centuries-old storm on Jupiter that is la...
What we have learnt by exploring Mars
Filling in the gaps - but a long way to go.
The Schiaparelli probe made headlines in October 2016 when it crash-landed on Mars. It wasn’t a disaster, though, it ...
How rockets and boosters work
Where does this power come from?
Three, two, one, liftoff! A spacecraft blasts from the launch pad, propelled by the massive thrust generated by its r...
How do spacesuits keep astronauts safe?
The freezing cold and radiation make space dangerous.
When it’s time to venture outside, astronauts on the international space station first don one of two types of spaces...
The Buzz about Mars
Apollo veteran Buzz Aldrin is a Mars mission enthusiast.
Astronaut and author Buzz Aldrin had hardly settled back on Earth in 1969 when he was advocating expanding the space ...