Boeing's Starliner finally ready for first crewed mission

Launch day is finally here: Boeing's Starliner capsule blasts off Monday to the International Space Station on its first crewed mission—several years after SpaceX first achieved the same milestone.

What do scientists hope to learn from total solar eclipse in US?

When a rare total solar eclipse sweeps across North America on Monday, scientists will be able to gather invaluable data on everything from the sun's atmosphere to strange animal behaviors—and even possible effects on humans.

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