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Napoleon’s campaign against the Russian Empire was one of the most costly wars in history. Many soldiers died of diseases. Some of these illnesses are only now being identified

Set an alarm and take a peek east in early dawn to follow Venus and Jupiter through their spectacular conjunction this week.

The post This Week's Sky at a Glance, August 8 – 17 appeared first on Sky & Telescope.

Direct images from the James Webb Space Telescope show what could be a Saturn-mass planet around Alpha Centauri.

The post Alpha Centauri Might Have a Planet, Webb Telescope Finds appeared first on Sky & Telescope.

Even today, the names of women in astronomy are not as well known as they should be.

The post Honoring the Women of Astronomy appeared first on Sky & Telescope.