Reports of falling sperm counts and testosterone levels have fuelled fears over chemicals, pollution and modern lifestyles. But how much do scientists agree on what is affecting male fertility?

Under revisions to rules, the definition of harm would no longer include damage to habitat that species need to survive. ”It just decimates the meaning and the on-the-ground impact of the Endangered ...

A Different Place at Night 01:31 Cockroach Infestation: Is Cat Food to Blame? 02:53 Why Is Eradication So Difficult? 04:18 ...

Federal and state officials have confirmed that the number of New World screwworm cases in the United States has risen to 20, with all but one located in Texas.

Nine years ago, the family of the late artist Kyungja Chun demanded, "If you’re not going to exercise copyright, return it to ...

Dublin-based mum and author Audrey Ward suffered five miscarriages before turning to egg donation. From secondary infertility ...

New research suggests modern dog breeds show cortical expansion tied to trainability, but that does not mean every pet is ...

Motorola made a few things better on its flagship flip phone, but it bumped the price to a point that I just can't agree with.

Integrating case counts with genomic sequences quantifies real-time transmission advantages of viral variants.

Elizabeth Warren had to explain to President Trump's pick to lead the White House Council of Economic Advisers that 4.2 percent is more than 3.4 percent. At a confirmation hearing Thursday for ...

American workers' share of the economic pie has fallen to its lowest level since at least 1947, when the federal government began tracking the data, according to an analysis by Federal Reserve ...