The Cassini mission’s samples from Saturn’s moon Enceladus have signs of various organic molecules that could be among the ingredients needed for life to get started

A groundbreaking civilian spacewalk saw two astronauts partially exit a SpaceX Crew Dragon capsule wearing a brand new design of spacesuit. Every previous spacewalk completed before this was performed by government-trained astronauts.

If you were standing on Mars as it was hit by a solar flare, you might be able to see an aurora just like on Earth

Gas bubbles on the surface of a star have been observed for the first time in detail outside our solar system, and they are 75 times the size of our sun

In between two spacecraft visiting Jupiter’s moon Io, a volcano spreading material over hundreds of kilometres has appeared

Five satellites due to launch this week could be brighter than most stars, and astronomers fear the growth of such constellations could have a catastrophic impact

Four private astronauts are riding a SpaceX Crew Dragon capsule further from Earth than any human since 1972, where they will attempt the first ever civilian spacewalk

Using images captured by the European Space Agency’s Mars Express spacecraft, researchers have created a cloud atlas of Mars, to better understand the climate of the Red Planet

News of the asteroid 2024 RW1 impacting near the Philippines may have come as a shock this week, but space agencies and astronomers around the world are keeping an eye out to protect us

Comet C/2023 A3, also known as Tsuchinshan–ATLAS, is expected to grace our skies from mid-October. Abigail Beall is hoping for a dazzling display

Greg Eghigian's After the Flying Saucers Came and Luis Elizondo's Imminent both show how our fascination with UFOs goes beyond simple curiosity

Space missions are extremely hard. Things going wrong should be expected, so having a sensible plan B is crucial

A newly spotted asteroid named 2024 RW1 burned up in the atmosphere over the South Pacific, creating a spectacular bright flash in the sky over the Philippines just hours after first being detected

A faint glow from all of the galaxies that have ever existed fills the cosmos, and NASA's New Horizons spacecraft has made the best measurement ever of just how faint it is

Ganymede, the largest moon in the solar system, has signs of an enormous ancient impact that would have redistributed its mass, changing its orientation in relation to Jupiter

NASA is investigating a strange noise coming through the speaker on Boeing’s Starliner capsule, which has been beset with technical issues

‘Little red dot’ galaxies seen by JWST appear to be much more tightly packed with stars than other galaxies, raising big questions about how they came to be this way

A chance to observe the high-speed re-entry of a falling satellite will give researchers important insights on how debris burns up in our atmosphere

Brown dwarfs could be hiding dark matter inside their cores – if they are, there would be signs that could help us track it down

The Polaris Dawn mission will include the first ever civilian spacewalk, and with a new spacesuit and no airlock, it may also be the most dangerous spacewalk ever