Chelsea Harvey

This image provided by NASA shows Arctic sea ice at it maximum, the lowest on record. The winter maximum level of Arctic sea ice shrank to the smallest on record, thanks to extraordinarily warm temperatures, federal scientists said.

The Arctic is melting – and scientists just lost a key tool to observe it

May 17, 2019 at 11:48 p.m.

Earlier this month, a U.S. satellite known as F17 - which was primarily used for meteorological measurements - experienced operational failures that compromised the integrity of its data. And while...

A United Airlines plane takes off at Phoenix Sky Harbor International Airport in 2014.

United Airlines is flying on biofuels … here’s why that’s a really big deal

June 8, 2018 at 10:37 p.m.

On Friday, United Airlines will launch a new initiative that uses biofuel to help power flights running between Los Angeles and San Francisco, with eventual plans to expand to all...

A mosquito is bloated with blood as it inserts its stinger into human flesh in this undated file photo obtained from the US Department of Agriculture.

By cutting down forests, humans may be giving themselves malaria

June 16, 2018 at 9:17 a.m.

A surprising factor may be contributing to the spread of malaria in Malaysia, new research has found. In a new study, published Friday in the journal Emerging Infectious Diseases, scientists...

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