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Monday was Earth's hottest day on record, initial measu...

Preliminary measurements had the mercury topping an average of 62.6 degrees worl...

Shark attacks, sightings in New York and Florida put sw...

At least 19 shark attacks have been reported in the United States this year.

Has pollution from fireworks made air quality worse?

Millions of Americans woke up the morning after Independence Day celebrations to...

Earth sees third straight hottest day on record, though...

One climate scientist called the marks more "evidence ... that global warming is...

Technology to eliminate "forever chemicals" showing pos...

A new study has found that man-made toxic PFAS, known as "forever chemicals," ma...

Floods and landslides kill at least 50 as monsoon rains...

At least 8 children are among the dead in Pakistan, where scientists say climate...

Harvard professor believes he's found fragments of alie...

A Harvard professor believes he may have found fragments of alien technology fro...

Embracing a Rejected Star

Zeta Ophiuchi is a star with a complicated past, having likely been ejected from...

NASA Telescopes Capture Stellar Delivery Service for Bl...

Astronomers may have witnessed a galaxy’s black hole delivery system in action. ...

Setting the Clock on a Stellar Explosion

A new image of SNR 0519-69.0 shows the debris of a star that exploded several hu...

The Enduring Stellar Lifecycle in 30 Doradus

The "Tarantula Nebula" (officially known as 30 Doradus) is available in a compos...

Chandra Sees Stellar X-rays Exceeding Safety Limits

Astronomers have made the most extensive study yet of how magnetically active st...

NASA's Chandra Discovers Giant Black Holes on Collision...

NASA’s Chandra X-ray Observatory helped identify two pairs of dwarf galaxies on ...

Chandra Determines What Makes a Galaxy's Wind Blow

NGC 253 shows the effect of powerful winds being launched in opposite directions...

New Stellar Danger to Planets Identified by NASA's Chandra

Astronomers have determined supernova explosions pose yet another threat to plan...

NASA Welcomes India as 27th Artemis Accords Signatory

During a ceremony at the Willard InterContinental Hotel in Washington on Wednesd...

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