11
The closest known extrasolar planet may also be one of the most Earth-like worlds ever discovered.
23
The SpaceX CEO has responded to the claim that his plans to terraform the Red Planet are largely impractical.
3
Astronomers have identified a distant exoplanet with a size and orbit comparable to that of the Earth.
6
A stunning new image of the solar system's largest planet was put together from hundreds of shots.
17
A relatively nearby extrasolar world discovered back in 2004 has since disappeared without a trace.
7
The Mars sample-return mission will be one of the most challenging interplanetary endeavours ever undertaken.
6
Scientists have discovered one of the most Earth-like extrasolar worlds ever seen and they almost missed it.
4
Scientists have identified a worm-like creature that thrived on our planet some 555 million years ago.
0
According to a new study, the nearest planet to the Sun may have once been a lot more habitable.
17
The results of a recent experiment suggest that it is not just animals that can sense our planet's magnetism.
2
Planets with two suns like Luke Skywalker's homeworld may be as common as planets orbiting a solitary star.
4
Scientists have announced the discovery of 139 new objects situated in the far reaches of our solar system.
0
Scientists have identified an extrasolar planet with some of the most hostile surface conditions ever seen.
21
A surprisingly large number of people in Brazil subscribe to the idea that our planet is not what it seems.
5
Scientists now believe that the entire planet was covered in water and devoid of continents in the distant past.
2
New Horizons' encounter with a Kuiper belt object has turned what we know of planet formation on its head.
1
This humbling image of our world taken from far away has been honored this week with a modern remaster.
14
It is often suggested that alien life could have reached Earth on a comet, but what about the other way around ?
2
Scientists have identified the oldest material ever to make it onto our planet - and it even predates the Sun.
4
If successful, the mission will be the first ever to remove a piece of space junk from Earth's orbit.