Discovering objects from other solar system is only on the rise and will continue to be with the introduction of new telescopes
First glimpses of interstellar comet suggest it’s not so different
Comet C/2019 Q4 gained a lot of attention when astronomers identified it as the second interstellar object ever discovered
Astronomers spot an asteroid in the process of switching colours
The asteroid is likely shedding reddish dust, revealing a fresh, blue surface beneath
Which comet takes the longest to orbit the Sun?
What is the longest-period comet we know about?
Interplanetary pitstop: Using comets for breathable oxygen replenishment
Comets are a valuable source of breathable oxygen in the vast vacuum of space, and astronomers want to utilise that for future human space exploration
How are comets made?
We take a look at how these ‘dirty snowballs’ are made
NIGHT SKY: See a bright comet make a close flyby this Sunday
On 16 Sunday December, comet 46P/Wirtanen will make one of the 10 closest approaches of Earth in 70 years – and you may even be able to see it without a telescope
What would astronomy be like on Mars?
We find out what you’d be able to see if you were a Martian stargazer
Can astronauts land on a comet?
Sophie Allan at the National Space Centre looks at whether astronauts can land on the surface of comets – our Solar System’s travelling space snowballs
What path do comets follow through the Solar System?
We find out the type of route a comet takes through the solar neighbourhood
Why do some meteorites create such huge craters?
How do space rocks make such large dents in celestial bodies?
New mystery arises about asteroid Phaethon
The light reflected from the surface of the new-Earth asteroid is much different from what astronomers previously thought
Interstellar visitor ‘Oumuamua is now a comet
New results indicate interstellar nomad `Oumuamua is a comet and not an asteroid
Pluto could be a ‘giant comet’
New research into the formation of Pluto explores the idea that the dwarf planet was originally formed from ancient comets
‘Cigar-shaped’ asteroid is first interstellar visitor to our Solar System
“This thing is an oddball,” says Karen Meech of the University of Hawaii’s Institute for Astronomy who leads an international team studying this interstellar interloper
Spacecraft sees Martian moon Phobos in a new light
NASA’s Mars Odyssey orbiter has gained its first look at the moon, pursuing a deeper understanding by examining it in infrared wavelengths
Mission scientists get unexpected final image from Rosetta
There was one last surprise in store for the camera team, who managed to reconstruct the final telemetry packets into a sharp shot
Hubble spots the farthest inbound comet so far
This frozen traveller shows the earliest signs of activity
NIGHT SKY: Where and when to catch the Orionid meteor shower
Be prepared for the return of the Orionids as they reach their peak
Slooh astronomers capture newfound comet before it disappears
The icy object had been close to the Sun since its discovery on 11 September, making it extremely difficult to observe