NASA's $1.5 billion Parker Solar Probe will be venturing closer to the Sun than any spacecraft in history.
An extrasolar world 500 light years away could be the most promising place yet to look for alien life.
Originally classed as an asteroid, the object known as 'Oumuamua is now believed to be a comet.
Astronomers have found a solar system 160 light years away with three planets roughly the size of our own.
NASA is launching a spacecraft to study the heliosphere - a bubble which extends far beyond the orbit of Pluto.
An asteroid believed to be from another solar system has been found orbiting the Sun in the wrong direction.
A small solar system object with a strange orbit has hinted at the presence of a large, unknown world.
An asteroid from the earliest days of the solar system has been found four billion kilometers from Earth.
For the first time ever, scientists have detected helium in the atmosphere of a planet in orbit around a distant star.
On planets more massive than the Earth, launching things in to space will be a lot more challenging.
A meteorite that crashed in the Nubian Desert has offered a glimpse of our solar system's earliest days.
William Shatner is one of thousands of people whose names will soon be sent to the Sun on a memory card.
A renewed hunt for Earth-like worlds has yielded a haul of 95 previously undiscovered extrasolar planets.
The space rock known as 'Oumuamua is thought to have been tumbling around chaotically for billions of years.
Scientists have found new evidence to suggest that life could have arisen elsewhere in the solar system.
The next generation telescope will enable us to directly study the atmospheres of extrasolar planets.
The mysterious space rock contains micro-mineral compounds found nowhere else in the solar system.
Oumuamua, the first ever confirmed visitor to our solar system, has a thick layer of organic insulation.
The space agency has made an important new exoplanet discovery using a Google artificial intelligence.
An asteroid thought to have come from another solar system is to be checked for signs of alien technology.