Since astronomers first measured the size of an extrasolar planet 17 years ago, they have struggled to answer the question: how did the largest planets get to be so large?
We investigate why this is the case
World-leading astronomers reveal the likelihood that ET has finally phoned home in the latest issue of All About Space – out now!
W Hydrae had the same starting mass as our nearest star, but it’s billions of years more evolved
Intense solar activity has sparked the fiercest aurora and radiation reading ever recorded on Mars
NASA’s Solar Dynamics Observatory caught two extremely powerful flares erupting from the Sun’s surface
The Lunar Reconnaissance Orbiter turned its sights to the Earth, imaging the Moon’s shadow as it made its way across the surface of our planet
Captured by the Very Large Telescope, astronomers have unveiled new information about Antares in the constellation of Scorpius
We take a look at what you can expect as the Moon passes between the Sun and the Earth
Our Sun released a highly energetic stream of material that was tracked by ten NASA and ESA missions
Our nearest star’s centre is moving four times fast might give indication to its early age
The spacecraft has been switched off as planned on the evening of 18 July, ending its successful mission which surpassed all expectations
Some 290 million years ago, a star much like the Sun wandered too close to the central black hole of its galaxy
On 26 February, an annular solar eclipse will rise and set over a large area of the Southern Hemisphere – don’t miss it!
“Just in time for Valentine’s Day, we have discovered the first example of a planet that seems to be causing a heartbeat-like behaviour in its host star”
The new view provides solar scientists with a unique tool for exploring how charged particles are accelerated to nearly the speed of light
The finding was made after recent analysis of data for millions of stars from the Gaia space mission
Astronomers and geoscientists have joined forces using data from the Sloan Digital Sky Survey (SDSS) to find out what makes a rocky planet Earth-like
The study provides the first indication of the types of planets waiting to be found far from a host star
A long-standing solar mystery could have been solved by an international team of scientists