Scientists at the University of Colorado Boulder may have solved a pressing mystery about the universe's gravitational wave background.

Scientists at the X-ray free-electron laser SwissFEL have realized a long-pursued experimental goal in physics: to show how ...

With nearly 70 million elderly people living alone and a third of the adult population expected to be over 60 by 2035, China faces a silent but massive crisis: the loneliness of the elderly. A direct ...

We test and rate the top online tax services to help you find the best one for filing quickly and accurately—and for getting the largest possible refund. I write about money. I’ve been reviewing tax ...

Rachel Williams has been an editor for nearly two decades. She has spent the last five years working on small business content to help entrepreneurs start and grow their businesses. She’s well-versed ...

The best smart thermostats we've tested can control your home's heating and cooling with your phone or voice—and might help you save on energy costs. I’ve been working with computers for ages, ...