In yet another blow to Boeing’s reputation, two astronauts who flew to the International Space Station on Boeing’s Starliner spacecraft will return to Earth next year on a SpaceX vehicle.

Bleeding after Plan B is normal — it could be spotting or a sign of an early period. You may also experience symptoms like breast tenderness, dizziness, nausea, and headache. But it could be ...

Plan B is 95% effective if you take it within 24 hours and 89% effective within 72 hours. But it might be less effective if you are ovulating, or have unprotected sex after taking Plan B.

You can take Plan B (levonorgestrel), or the "morning-after pill" as often as you need to prevent unplanned pregnancy after unprotected sex. Plan B and other forms of emergency contraception do ...

Plan B works to prevent pregnancy by delaying ovulation. It doesn’t affect ovulation if it’s already happening. If you’re not sure where you are in your cycle and the morning-after pill is ...