On hearing the words "city killer" and "asteroid" in the same sentence, you'd be forgiven for thinking something bad is about to happen. But not to fear. Although an asteroid with the potential to ...

NASA is warning that a bus-sized asteroid named 2025 QV5 is projected to make a close approach to Earth tomorrow evening -- and won't come that close again for over 100 years. ordus - stock.adobe.com ...

One of the best naked-eye stargazing sights of the year is on offer to skywatchers this week — if you can rise before the sun Friday (Sept. 19). Just before sunrise, the crescent moon, the brilliant ...