Ezzy Pearson
Science journalist
Ezzy Pearson is the Features Editor of BBC Sky at Night Magazine. Her first book about the history of robotic planetary landers is out now from The History Press.
Recent articles by Ezzy Pearson
When Carl met Patrick. Sagan and Moore discussed the search for alien life 50 years ago, with remarkable foresight
The legendary meeting of Carl Sagan and Patrick Moore.
What is a supernova? A complete guide to exploding stars and how astronomers observe them
What is a supernova? We explore what the Universe’s most sudden – and violent – events can tell us.
Astronomy explained | What is a nebula?
Majestic and mysterious, nebulae are some of the most beautiful deep-sky objects to be found in the night’s sky. But what are these space clouds? And how are they created?
Voyager 1 is back in working order after five months of silence
UK astronaut Rosemary Coogan graduates astronaut training, and could soon be bound for the ISS
Earth didn't always have a Moon! So how old is it? Recently-opened Apollo samples reveal the Moon's age
How old is the Moon and how do scientists know?
Astronomers have found the oldest-ever ‘dead’ galaxy, which stopped making stars shortly after the Big Bang
Star Diary | 22 to 28 April 2024
The Winchcombe meteor was repeatedly torn apart and reformed, according to newly released analysis
Saturn's moon Mimas has an ocean
A newly discovered ocean on Saturn’s moon Mimas could provide a unique place to study the habitability of our Solar System.
There’s something wrong with our understanding of the Universe, and how much it has expanded since the Big Bang
JWST confirms ‘Hubble tension’ isn’t down to observational error.
Pair of black holes 28 billion times heavier than the Sun are heaviest ever seen
Artist's impression of merging black holes in colliding galaxies. Credit: Draco-Zlat / Getty Images
Star Diary | 15 to 21 April 2024
Astronomers have mapped the regions where stars will be born in the Whirlpool Galaxy
Astronomers have mapped the gas that will become stars in the Whirlpool Galaxy, the first such map created for a galaxy beyond the Milky Way.
What is the age of stars we see in the night sky, and how do astronomers know?
How old are stars, and how do astronomers work this out?
How old is the Solar System? Astronomers calculate its age by studying rocks that fall from space
How do astronomers know the age of the Sun and planets?
The best, safest ways to view a solar eclipse, from low-cost, simple options to expert astronomer techniques
What are the best and safest ways to view an eclipse?
Star Diary | 8 to 14 April 2024
From a stellar diamond to a squashed mammoth and one as old as the Universe, these are 8 of the weirdest stars we know of
Among the trillion trillion stars in the Universe, there are some real oddballs. Here are some of the weirdest stars astronomers have uncovered in the depths of space.
What’s the time on the Moon? NASA has been tasked establishing a universal time-zone for the Moon to ensure everyone agrees
Could giant star Betelgeuse explode as a supernova any time soon? It depends who you ask
The red giant star Betelgeuse is due to end its life in a supernova. But will this happen in 1,000 years, or 100,000 years?
How old is the Universe?
How do astronomers estimate how old the Universe is, and could they be wrong?