Scientists now believe that the entire planet was covered in water and devoid of continents in the distant past.
New Horizons' encounter with a Kuiper belt object has turned what we know of planet formation on its head.
Scientists have identified the oldest material ever to make it onto our planet - and it even predates the Sun.
Astronomers have discovered a huge planet orbiting the burnt-out husk of a star that was once like the Sun.
It turns out that planets could orbit a black hole in much the same way as our own planet orbits the Sun.
A new paper has suggested that we may have no choice but to spread microorganisms to the Red Planet.
The undiscovered theoretical planet in the outer reaches of our solar system may actually be a black hole.
Palaeontologists have identified one of the largest flying creatures ever to live on planet Earth.
Water vapor has been identified on what is being hailed as the most habitable exoplanet found to date.
Elon Musk has hinted that SpaceX's next-generation interplanetary spacecraft could be absolutely huge.
It may be possible to detect signs of extraterrestrial life on a distant world by picking up its biofluorescence.
The SpaceX CEO has long held the belief that nuking the Red Planet could make it more habitable for humans.
Physicists now believe that a large planetary embryo collided with the gas giant in the distant past.
Astrophysicists have discovered a way to detect the surviving cores of planets orbiting white dwarf stars.
Astronomers have announced the discovery of a large, potentially habitable world in a nearby solar system.
Growing crops on the Red Planet would undoubtedly go a long way towards building a sustainable human colony.
The new worlds are so much like our own that both are now on a list of the 19 planets most likely to support life.
According to a new study, many planets in the so-called habitable zone can only support single-celled organisms.
Astronomers have found a planet with an atmosphere in a region that was thought to be hostile to such worlds.
Scientists have determined the origins of a peculiar hum that seemed to encircle the entire planet back in 2018.