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Life needs the right atmosphere to thrive — and a planet 40 light-years away may fit the bill
A rocky, Earth-size planet located in our Milky Way galaxy could have liquid water on its surface and therefore support life.
NASA says rock sample from Mars has potential 'biosignature' of life
The sample doesn't hold direct evidence of life, but is a leftover sign that textural features on the rock may have biological origins.
Video shown at House UAP hearing appears to show missile fired at object near Yemen
A whistleblower provided the video, which was played during a meeting on "unidentified anomalous phenomena," commonly known as UFOs. 
Ousted CDC director Susan Monarez to testify at Senate committee hearing
GOP Sen. Bill Cassidy, chairman of the Health, Education, Labor and Pensions Committee, has been vowing to conduct “oversight” of the CDC after RFK Jr. fired Monarez.
As world gets hotter, Americans are turning to more sugar, study finds
The researchers found that men consumed more sugary soft drinks when temperatures spiked.
Space travel may accelerate the aging of stem cells by as much as 10 fold
Stem cell aging is potentially worrisome because it diminishes the body's natural ability to repair tissues and organs.
Sean Duffy, interim NASA head, tells agency that it will beat China back to the moon
Acting NASA Administrator Sean Duffy also told agency employees not to let "safety be the enemy of progress."
AI weather forecasting institute could shutter after funding cuts
The cuts hamper training for new technology and the country's ability to assess the impacts of hurricanes and other weather disasters.
Telescope reveals a growing tail on the comet that's visiting from another star
These new images confirm that the comet is becoming more active as it plows harmlessly through our solar system.
Climate change
U.S. appeals court allows Trump's EPA to terminate climate grants
A 2-1 panel of the D.C. Circuit appeals court ruled that the lower-court judge lacked jurisdiction.
A common nasal spray may block Covid infection, trial results show
The over-the-counter antihistamine azelastine works against a range of respiratory infections, including the flu and RSV, researchers say.
