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Health & Science Reporter

Mary Kekatos

Mary Kekatos is on ABC News. Get Mart Kekatos's latest news stories and articles, connect with millions of users and join the conversation at ABC News.

Mary's Latest Work

PHOTO: President Donald Trump has nominated Dr. Erica Schwartz, to be the Director of the CDC, April 16, 2026.
Department of Health and Human Services

What we know about the new CDC director amid praise from doctors

PHOTO: President Donald Trump has nominated Dr. Erica Schwartz, to be the Director of the CDC, April 16, 2026.
Department of Health and Human Services

Trump nominates Dr. Erica Schwartz as new CDC director

PHOTO: In this Aug. 19, 2025, file photo, pages from the U.S. Affordable Care Act health insurance website healthcare.gov are shown on a computer screen in New York.
Patrick Sison/AP, FILE

14% of ACA enrollees did not pay premiums in January: Report

PHOTO: Stock photo of a tick.
Imagebroker/david & Micha Sheldo/STOCK PHOTO/Getty Images

Weekly ER visits for tick bites reach highest level in nearly a decade. Will this season be worse?

PHOTO: A person fills a glass with tap water.
Towfiqu Barbhuiya/Adobe Stock

Fluoride in drinking water has no negative effect on IQ or cognitive function, study says

PHOTO: NASA's Artemis II mission to fly by the moon, comprising of the Space Launch System rocket with the Orion crew capsule, lifts off from the Kennedy Space Center in Cape Canaveral, Florida, April 1, 2026.
Chip Somodevilla/Getty Images

What's next for NASA after Artemis II crew completes historic moon mission

PHOTO: NASA Administrator Jared Isaacman appears on ABC News' "Good Morning America" on Monday, April 13, 2026, to discuss the Artemis II mission.

'We are just getting going': NASA administrator says Artemis II is 1st step toward moon base, Mars missions

PHOTO: (L-R) NASA's Artemis II mission astronauts Canadian Space Agency's Jeremy Hansen, mission specialist Christina Koch, pilot Victor Glover and commander Reid Wiseman attend a welcoming ceremony in Houston, Texas, on April 11, 2026.
Ronaldo Schemidt/AFP via Getty Images

'Welcome home, Artemis': Crew celebrates historic 10-day moon mission

PHOTO: NASA's Artemis II mission to fly by the moon, comprising of the Space Launch System rocket with the Orion crew capsule, lifts off from the Kennedy Space Center in Cape Canaveral, Florida, April 1, 2026.
Chip Somodevilla/Getty Images

Artemis II's moon mission is the 1st in more than 50 years. Why did it take the US so long to return?

PHOTO: A group of Cuban doctors attend a training session at a health clinic in a low-income neighborhood in Brasilia, Brazil, Aug. 30, 2013.
Eraldo Peres/AP

Why the US is pushing for the end of Cuban medical missions

PHOTO: NASA's Space Launch System rocket carrying the Orion spacecraft launches on the Artemis II mission, on April 1, 2026, from Launch Complex 39B at NASA's Kennedy Space Center in Florida.
Aubrey Gemignani/NASA

Breaking down Artemis II moon mission terms, jargon and what they mean

PHOTO: A full moon is seen shining over NASA's SLS and Orion spacecraft atop the mobile launcher in the early hours of Feb. 1, 2026, at NASA's Kennedy Space Center in Florida.
Sam Lott/NASA via AP

Artemis II mission timeline: What the 10-day journey to and from the moon will look like

The latest lifestyle and entertainment news and inspiration for how to live your best life - all from Good Morning America.
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