When was the first sunrise on Earth?
19 July 2023
This is a question of how we define “Earth”, say our readers, but we also need to consider when light from the young sun could have pierced Earth’s atmosphere
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Premium
Found 79 results for dwarf planet
Our solar system could be hiding an extra planet the size of Uranus
27 June 2023
Many planets are thought to be flung away from their stars, but it’s possible that some get trapped on the way out – and one could be lurking at the edge of our own solar system
Exoplanets with a permanent day side may sometimes flip into night
11 April 2023
Some planets outside our solar system are thought to be tidally locked, with one side always facing their star, creating a world divided into hot and cold. Now, it seems this set-up may not be permanent after all, allowing the two sides to flip
Are there planets that are better for life than Earth?
7 April 2023
Philosophers have long debated whether Earth is the best of all worlds. More powerful telescopes are finally giving us a better chance of answering this question, writes astronomer Chris Impey
‘Forbidden’ planet somehow escaped consumption by its dying host star
26 January 2023
The planet 8 Ursae Minoris b should have been destroyed when its star became a red giant, but it continues to orbit strangely close to it
Up to 74% of planets in the ‘habitable zone’ may not be good for life
19 January 2023
Many planets that have the right temperatures for liquid water on their surfaces used to be too hot or too cold, which may affect their ability to host life now
How a planet became a character in my new novel
18 January 2023
My new novel The Terraformers explores what you might include - and leave out - if you were building an Earth-like planet. I spoke to some scientists to see what might work, says Annalee Newitz
How JWST could find signs of alien life in exoplanet atmospheres
9 November 2022
The James Webb Space Telescope can peer into alien skies like never before. With six potentially habitable planets within its sights, astronomers are entering a new era in the search for biology beyond our solar system
Don't Miss: Read about how the milky way smells of rum and raspberries
26 October 2022
New Scientist's weekly round-up of the best books, films, TV series, games and more that you shouldn’t miss
The hunt for habitable ocean worlds beyond our solar system
24 October 2022
Astronomers think that planets covered in water, with oceans hundreds of metres deep, could be relatively common in our galaxy. Now the race is on to find one
