A Japanese space probe performed a flyby of a near-Earth asteroid on Sunday in a test mission for technology that could help protect the planet from space rocks.

The fridge-sized Hayabusa2 was due to fly within 800 meters (0...

In the last year or so, artificial intelligence companies have rolled out a spate of web browsers equipped with AI agents. A user might ask one of these agents to plan a vacation, and it will open browser tabs to research routes and restaurants, then make reservations and add events to the user’s calendar. How well it does any of this varies.

New research from the University of Washington found that the most powerful of these browsers also open users up to significant cybersecurity risks...

For most women, the body begins to change dramatically in their 40s or 50s. This transition, known as menopause, is defined as 12 consecutive months without a menstrual period, marking the end of the reproductive years. While researchers are aware of the functions the ovaries perform during active reproductive years, what happens to the organ after menopause is largely a mystery.

A recent study in Molecular Human Reproduction investigated what happens to the ovary in mice after it stops producing eggs, a period known as the post-reproductive stage, similar to menopause in humans.

Researchers found th...

Astronomers have spotted many “red and dead” galaxies in the early universe. These are massive systems that stopped forming stars surprisingly early in cosmic history. Now, they may have found evidence of one in the act of becoming dead: a massive galaxy being stripped of its starforming gas just 1.4 billion years after the Big Bang...