Scientists have confirmed the discovery of a strange galaxy 72 million light-years from Earth that appears to be missing its dark matter.
Why it matters: It's long been thought that dark matter — the invisible stuff that makes up much of matter in the universe — is a key ingredient for galaxies, but the discovery complicates that picture.
The race between billionaires Jeff Bezos and Richard Branson to make suborbital space tourism a viable business is heating up.
Why it matters: The disagreements between Bezos and Elon Musk capture the limelight, but the competition between Bezos' Blue Origin and Branson's Virgin Galactic could soon make space a destination for ordinary citizens.
The Great Barrier Reef should be included in a list of World Heritage Sites that are "in danger" from climate change, a United Nations committee said in a report Tuesday.
Yes, but: Australia's government said it will "strongly oppose" the recommendation by UNESCO's World Heritage Committee.
A lifesaving operation to save endangered Tasmanian devils by transferring them to Australia's Maria Island inadvertently led to the devastation of the local penguin population, the Washington Post reports.
Why it matters: The decision to move 28 Tasmanian devils to the island has had a “catastrophic ecological impact on the bird fauna" there, Eric Woehler, the convenor of BirdLife Tasmania, told the Guardian.
The National Transportation Safety Board announced Sunday that it's sent a team to Alabama to help investigate a fiery multi-vehicle crash that killed 10 people, including nine children.
The big picture: Saturday's crash, south of Montgomery, occurred amid a tropical depression that left 13 people dead in Alabama. It triggered flash floods and tornadoes that razed "dozens of homes" in the Southeast over the weekend, per AP. Parts of the Midwest were also badly hit, including Indiana and Chicago, where a tornado struck late Sunday.