September 5, 2018 Was young, wet Mars once close enough to the Sun to 'dance' with Venus? Billions of years ago, liquid water flowed across the Martian surface.
September 4, 2018 Planet Nine and six other baffling space mysteries scientists can't explain Planet Nine is a huge alien world roughly four times the size of Earth that continues to evade astronomers – but it's not the only space mystery that has experts baffled.
September 4, 2018 Planet Nine may exist, but it might be hiding behind Neptune Evidence for Planet Nine continues to mount, but there may be a good reason why scientists have yet to find it – it may be hiding.
September 4, 2018 Planet Nine: Ancient tapestries, texts may help expose the Solar System's biggest mystery That there is something lurking in the interstellar murk beyond Neptune is almost certain. Exactly what it is and where it is, we’re not so sure. If it truly is the elusive Planet Nine — the theorized planet lurking undiscovered in our solar system — it may take another thousand years before it swings back into view.
August 31, 2018 What would it take to land on Mercury? It's time to find out, scientists say Mercury has been devoid of spacecraft companions since NASA's Messenger mission ended in 2015, and while the next mission bound for the innermost planet launches later this year, it won't arrive until 2025.
August 31, 2018 Water clouds in Jupiter's Great Red Spot mean alien life 'can't be ruled out' In a stunning scientific discovery, researchers have found water clouds inside Jupiter's Great Red Spot, raising the prospect that life may exist on the planet.
August 29, 2018 Why Jupiter's rapid growth spurt was delayed for millions of years New research suggests why Jupiter , the largest planet in the solar system, waited about two million years for its early-formation growth spurt.
August 20, 2018 Chance of alien life given massive boost as scientists reveal water 'likely' on thousands of exoplanets The quest for alien life has been boosted by a major discovery about exoplanets – planets that exist outside our solar system.
August 16, 2018 On ultrahot exoplanets, water can form at night and die by day Water and liquid rubies may exist under the nightside clouds of distant Jupiter-like exoplanets , but they melt in the heat of the planets' scorchingly hot bright sides, according to NASA.
August 15, 2018 Iron and titanium found on 'Ultrahot Jupiter,' an exoplanet first For the first time ever, astronomers have found iron and titanium in the atmosphere of a planet outside the solar system. The exoplanet, named KELT-9b, is the hottest alien world ever discovered. The planet is so scorching, it's even hotter than most stars.
