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FILE - A sign at Twitter headquarters is shown in San Francisco on Nov. 18, 2022. The Los Angeles District Attorney has left Twitter due to barrage of "vicious" homophobic attacks that were not removed by the social media platform even after they were reported, the office confirmed on Thursday, June 8, 2023.

Twitter worst among major social media platforms when it comes to LGBTQ safety, GLAAD says

FILE - A sign at Twitter headquarters is shown in San Francisco on Nov. 18, 2022. The Los Angeles District Attorney has left Twitter due to barrage of "vicious" homophobic attacks that were not removed by the social media platform even after they were reported, the office confirmed on Thursday, June 8, 2023.

June 15, 2023, 9:27am Business

All major social media platforms do poorly at protecting LGBTQ+ users from hate speech and harassment — especially those who are transgender, non-binary or gender non-conforming, the advocacy group GLAAD said Thursday. But Twitter is the worst. Read story

A study along southern California beaches looked at how close juvenile white sharks get to humans, such as waders, swimmers, surfers, and stand-up paddle boarders.

Study: Great white sharks common along California coast

A study along southern California beaches looked at how close juvenile white sharks get to humans, such as waders, swimmers, surfers, and stand-up paddle boarders.

June 13, 2023, 6:02am Life

If you swam off the coast of Santa Barbara or San Diego recently, chances are you had company. You just may not have noticed. Read story

Air sampling filters are stationed at the Auchencorth Moss research facility in Scotland. Researchers have found that air quality monitoring stations -- which pull in air to test for pollution -- also pick up lots of DNA that can identify local wildlife.

Air filters offer clues to plants, animals

Air sampling filters are stationed at the Auchencorth Moss research facility in Scotland. Researchers have found that air quality monitoring stations -- which pull in air to test for pollution -- also pick up lots of DNA that can identify local wildlife.

June 13, 2023, 6:00am Life

DNA is all around us — even in the air we breathe. Now scientists have found that air quality monitoring stations — which pull in air to test for pollution — also pick up lots of DNA that can reveal what plants and animals have been in the area. Read story

The 46-foot-long cast of a Spinosaurus suspended high above the Field Museum's main hall after its unveiling June 2 in Chicago. The cast is about 60 percent of a skeleton, the most complete specimen of the species.

New Spinosaurus exhibit debuts

The 46-foot-long cast of a Spinosaurus suspended high above the Field Museum's main hall after its unveiling June 2 in Chicago. The cast is about 60 percent of a skeleton, the most complete specimen of the species.

June 10, 2023, 5:59am Life

The newest addition to the Field Museum on Chicago’s lakefront will give visitors a glimpse of the largest predatory dinosaur yet discovered via a 46-foot cast of a Spinosaurus skeleton suspended high above the museum’s main hall. Read story

Santa Cruz Museum of Natural History Visitor Experience Manager Liz Broughton, left, and Jim Smith, who holds a mastodon tooth May 30 at the museum in Santa Cruz, Calif. Smith, who had seen the news about the tooth, called the museum and reported he had stumbled upon it at the mouth of Aptos Creek on Rio Del Mar State Beach, located off Monterey Bay in Santa Cruz County.

Walk on California beach uncovers tooth of mastodon

Santa Cruz Museum of Natural History Visitor Experience Manager Liz Broughton, left, and Jim Smith, who holds a mastodon tooth May 30 at the museum in Santa Cruz, Calif. Smith, who had seen the news about the tooth, called the museum and reported he had stumbled upon it at the mouth of Aptos Creek on Rio Del Mar State Beach, located off Monterey Bay in Santa Cruz County.

June 6, 2023, 6:48am Life

A woman taking a Memorial Day weekend stroll on a California beach found something unusual sticking out of the sand: a tooth from an ancient mastodon. Read story

In this undated photo provided by the Greek Culture Ministry, on Thursday, June 1, 2023 shows stone tools dated about 700,000 years ago. The Culture Ministry said that a five-year international project in Megalopolis, southern Greece, has uncovered the oldest-known archaeological site in the country, pushing back the dawn of Greek archaeology by up to 250,000 years.

Greek dig country’s oldest archaeological site

In this undated photo provided by the Greek Culture Ministry, on Thursday, June 1, 2023 shows stone tools dated about 700,000 years ago. The Culture Ministry said that a five-year international project in Megalopolis, southern Greece, has uncovered the oldest-known archaeological site in the country, pushing back the dawn of Greek archaeology by up to 250,000 years.

June 6, 2023, 6:05am Life

Deep in an open coal mine in southern Greece, researchers have discovered the antiquities-rich country’s oldest archaeological site, which dates to 700,000 years ago and is associated with modern humans’ hominin ancestors. Read story

Mastodon bones are displayed at the Grand Rapids Public Museum on Thursday, May 18, 2023, in Grand Rapids, Mich. Some of the mastodon bones, found last summer in Newaygo County, will be unveiled as part of museum's "Ice Age: Michigan's Frozen Secrets" exhibit, which opens to the public on May 20.

‘Amazing’ mastodon discovery goes on display

Mastodon bones are displayed at the Grand Rapids Public Museum on Thursday, May 18, 2023, in Grand Rapids, Mich. Some of the mastodon bones, found last summer in Newaygo County, will be unveiled as part of museum's "Ice Age: Michigan's Frozen Secrets" exhibit, which opens to the public on May 20.

June 6, 2023, 6:00am Life

A selection of bones belonging to a juvenile mastodon who roamed the woods of Michigan 13,000 years ago is now on display at the Grand Rapids Public Museum, after workers unearthed it by chance last year. Read story

Jana Johnson is all smiles as she watches one of her "babies" fly into the wild during a blue butterfly release on March 18, 2023, on Los Angeles' Palos Verdes Peninsula.

She helped save one of the world’s rarest creatures from extinction — and herself along the way

Jana Johnson is all smiles as she watches one of her "babies" fly into the wild during a blue butterfly release on March 18, 2023, on Los Angeles' Palos Verdes Peninsula.

June 5, 2023, 5:41am Entertainment

Jana Johnson was a struggling grad student in 2003 when she first met the butterfly that would change her life. Read story

First-of-its-kind Mars livestream by ESA spacecraft interrupted at times by rain on Earth

June 2, 2023, 2:58pm Nation & World

A European spacecraft around Mars sent its first livestream from the red planet to Earth on Friday to mark the 20th anniversary of its launch, but rain in Spain interfered at times. Read story

FILE - Workers on scaffolding repaint the NASA logo near the top of the Vehicle Assembly Building at the Kennedy Space Center in Cape Canaveral, Fla., May 20, 2020.

NASA talks UFOs with public ahead of final report on unidentified flying objects

FILE - Workers on scaffolding repaint the NASA logo near the top of the Vehicle Assembly Building at the Kennedy Space Center in Cape Canaveral, Fla., May 20, 2020.

May 31, 2023, 5:47pm Nation & World

NASA held its first public meeting on UFOs on Wednesday a year after launching a study into unexplained sightings and insisted it's not hiding anything. Read story