When a space hurricane was unleashed from the sun on January 7 2014, space-weather centers around the world sent out warnings. The hurricane was heading directly for Earth and was predicted to…

Many people worry about the possibility of the end of all life on our planet. However, the Earth is by far the most habitable planet in our solar system and there's no reason to expect that to change…

Many ETs are non technological. Like parrots or elephants, or dogs just not physically easily capable of making complex things however much they want to. Or live in sub surface oceans like Europa -…

If you lived on one of Pluto's moons, you might have a hard time determining when, or from which direction, the sun will rise each day. Two of Pluto's moons, Nix and Hydra, wobble unpredictably,…

When Curiosity's successor and the ExoMars rover land on Mars around 2021, we will see two different approaches to the search for life on the planet side by side. NASA's mission is the first stage of…

NaSt1, about 3,000 light years away, was discovered a few decades ago and identified as a Wolf-Rayet star, a rapidly evolving star that is much more massive than our Sun. Wolf-Rayet stars lose their…

A remote galaxy shining with infrared light equal to more than 300,000,000,000,000 suns has been discovered using data from NASA's Wide-field Infrared Survey Explorer (WISE. The galaxy, belongs to a…

Our solar system started as a disk of microscopic dust, gas, and ice around the young Sun and the amazing diversity of planets, moons, asteroids, and comets came from this primitive dust.  NASA'…

This is a question that is frequently asked on Quora, with a different date each time. We get a fair number of quite worried people asking this question, in all seriousness, concerned that Earth is…

Many discussions of extra terrestrial intelligences suppose vastly superior intelligences, that think of us like ants. And show no compassion for us, don't even notice us. So - first of all I think…