Four gargantuan planets have been observed orbiting a relatively young star approximately 500 light years away.
Astronomers have found what is thought to be the first confirmed moon in orbit around an extrasolar world.
The important new find also hints at the presence of another, much larger planet in the outer solar system.
A mere two months after beginning operations, NASA's TESS spacecraft has found two new extrasolar worlds.
The National Solar Observatory has posted an update on its Facebook page regarding the unusual situation.
The Sunspot Solar Observatory in New Mexico has been shut down by the FBI under mysterious circumstances.
In addition to generating huge amounts of energy, wind and solar power could turn the Sahara desert green.
The extrasolar planet known as Kelt-9b is so hot that its atmosphere contains vaporized iron and titanium.
The probe, which is on a daring mission to the Sun, will become the fastest man-made object in history.
Jupiter's largest moon Ganymede is producing 'chorus waves' one million times more powerful than average.
Scientists have been studying a meteorite that dates back to a time before the birth of our solar system.
The huge object is 12.7 times the mass of Jupiter and has a magnetic field 200 times more powerful.
A large Earth-like world has emerged as the most likely place to look for life outside of our solar system.
NASA's Transiting Exoplanet Survey Satellite (TESS) is now on the hunt for habitable extrasolar worlds.
The discovery means that the gas giant has a total of 79 moons - more than any other planet in the solar system.
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.