"It is unacceptably bright for many sky observers around the world." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On Monday (Oct. 2), ...

The rising moon in conjunction with Venus is framed on the left by brick townhouses with wooden dormers and an unfurled American flag in Boston's historic South End. Leafy treetops complete the ...

If last year whet your eclipse appetite, get excited for the night skies this month. Mid-March will bring a total lunar eclipse—a phenomenon that turns the full moon a haunting orange tone—to the ...

The "Blaze Star" T Coronae Borealis will erupt with a magnificent explosion sometime between now and September, becoming visible to the unaided eye. When you purchase through links on our site, we may ...