Scientists believe that these new worlds lie in the 'Goldilocks zone' of their respective solar systems.
The SpaceX CEO has been working towards his goal of seeing mankind become an interplanetary species.
New evidence has suggested that all the sunlike stars in the universe may have formed together in pairs.
The so-called 'first nation state in space' is about to make its first foray in to the final frontier.
The futuristic vehicle, which is designed to operate on Mars, was unveiled at the Kennedy Space Center.
A new type of crumb-free dough mixture could help to improve the selection of foods available in space.
Astronomers have observed a distant white dwarf star shifting the position of another star in the sky.
At twice the size of Jupiter, KELT-9b experiences temperatures in excess of 4300 degrees Celsius.
NASA's Mars Reconnaissance Orbiter has discovered a rather unusual feature on the planet's surface.
The refurbished Dragon capsule was successfully launched from Cape Canaveral, Florida on Saturday.
Data collected by the Curiosity rover has suggested that Mars could have supported life for a very long time.
The probe, which has been renamed the Parker Solar Probe, will be launching as early as next year.
Astronomers have picked up the gravitational waves produced by the merging of two distant black holes.
New evidence has been found to support the idea that matter vanishes when it falls in to a black hole.
Scientists have found evidence to suggest that the orientation of Enceladus is not what it used to be.
Known as Solar Probe Plus, the mission will be officially revealed in an announcement on Wednesday.
When it is completed, the Extremely Large Telescope (ELT) will offer unprecedented views of the cosmos.
The iron-rich asteroid 16 Psyche is so valuable that, if mined, it would collapse the global economy.
A bag used by the late astronaut to collect samples during the Apollo 11 mission is to be sold at auction.
The two-hour spacewalk, which is set to take place on Tuesday, will aim to repair a broken data relay box.