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Our Sun is both our best friend and our worst enemy. On the one hand, we owe our very existence to our star. Earth and the other planets in the Solar System formed out of the same cloud of gas and dust as the Sun. And without its light, there could be no life on this planet. On the other hand, there will come a day when the Sun ends all life on Earth and, eventually, destroys Earth itself. The risks that stars can pose to their planets are highlighted by a new study published in Nature. The authors looked at stars similar to our Sun and found that at least one in 12 stars exhibits traces of metals in its atmosphere. These are thought...... Read Full article on HadNews

Some of us remember August 24 2006 like it was yesterday. It was the day Pluto got booted from the exclusive “planets club”. I (Sara) was 11 years old, and my entire class began lunch break by passionately chanting “Pluto is a planet” in protest of the information we’d just received. It was a touching display. At the time, 11-year-old me was outraged – even somewhat inconsolable. Now, a much older me wholeheartedly accepts: Pluto is not a planet. Similar to Sara, I (Rebecca) vividly remember Pluto’s re-designation to dwarf status. For me, it wasn’t so much that the celestial body had been reclassified. That is science, after all, and...... Read Full article on HadNews