The Sun is 4.6 billion years old, but what did it look like in its early years?

The Sun is 4.6 billion years old, but what did it look like in its early years?
Planets, stars or something entirely different? We take a look to see what brown dwarfs are
Launched in 2018, the Transiting Exoplanet Survey Satellite, or TESS, has found three new worlds around a neighbouring star
We take a look at the answer to this intriguing question
We take a look at how these ‘dirty snowballs’ are made
Of all the planets in the Solar System the ice giants remain relatively unexplored
Could the planets in our Solar System be getting closer and closer to the Sun?
A full on smashup or a near miss? We find out what happens to planets when their galaxies collide
Hint: it doesn’t end well for Earth…
The mission will not only seek new planets but will also investigate the properties of their host stars, and determine the planetary masses, sizes and ages with unprecedented accuracy
Often found around a star or black hole, we find out what an accretion disc is
Is there such a thing as a ‘galactic habitable zone’?
The haul includes a particular standout: a likely planet that orbits the star HD 73344, which would be the brightest planet host ever discovered by the mission
Why is the furthest planet from the Sun, Neptune, warmer than Uranus?
Venus remains the star of the evening skies, while Saturn and Mars keep close company in the morning
Back in 2014, we caught up with the great scientist to get his thoughts on the universe, his cameo in Star Trek: The Next Generation and why we could be living in a hologram
By adding these new constraints, astronomers should be able to differentiate between a large planet and a brown dwarf
NASA’s Juno spacecraft has peered through the clouds of the gas giant to reveal more detail about the planet’s famous storm
Hydrogen pouring from volcanic sources on planets throughout the universe could improve chances of locating life in the cosmos
Elusive planets may be lurking around the edges of our solar neighbourhood, and astronomers from NASA and UC Berkeley want the public’s help to hunt them down