This quiz dives into the mysterious world of dark matter — what we know, what we don't, and how scientists are chasing shadows across the cosmos. From galaxy rotation curves that defy Newton's laws to ...

From ancient civilizations charting the stars to modern-day horoscopes guiding daily decisions, our relationship with the cosmos is as complex as it is enduring. But how well do you really know the ...

You wanted more quizzes, and we’ve delivered! Now you can test your wits every day of the week. Each weekday, your host, Ray Hamel, concocts a challenging set of unique questions on a specific topic.

Kenna Hughes-Castleberry is the Content Manager at Space.com. Formerly, she was the Science Communicator at JILA, a physics ...