Science

The Mars rover Opportunity is getting on in years. It has been on Mars' surface for over a decade, and now it's having memory problems. NASA has come up with a plan to fix it.

With the Republicans in the majority in both the House and Senate in Washington, there will be changes in energy policy in the next few years. Republicans are pledging to approve the Keystone XL pipeline and to delay or derail the Obama administration's clean air proposals.

Researchers at the University of Oxford have discovered a link between what you taste and what you hear.

With two young men dead, the Food and Drug Administration is considering banning sales to consumers of a highly concentrated form of pure caffeine. It's too easy to overdose, officials warn.

Who needs eggs? Scientists have discovered an unusual frog species that gives birth to live tadpoles.

It's been months since a nurse who treated Ebola patients in Africa was quarantined by New Jersey's governor upon arrival at Newark airport. But a legacy of confusion about state travel rules remains.

Big questions have bedeviled virus hunters for 38 years: Why do people differ in their response to Ebola? Is it becoming more or less dangerous? There's now more evidence about who gets sick and why.

Quick treatment with Narcan can save a life after an overdose of heroin or opioid pain pills. The year 2014 saw more police, drug users and their families carrying Narcan "rescue kits."

Breast cancer treatment typically involves surgery and chemotherapy, followed by radiation. But growing scientific evidence shows that in most cases, women get more radiation than they actually need.