Some drawings at Lascaux are 2.5 to 3.5 meters (8.2 to 11.4 feet) from the floor of the cave near the chambers’ ceilings. To archaeologists, they present a conundrum: How did the artists reach such ...
A study of more than 26,000 white dwarf stars has confirmed a long-predicted but elusive effect in these ultra-dense, dying stars: Hotter white dwarfs are slightly puffier than cooler ones, even when ...
Robin Givhan is Washington Post senior critic-at-large writing about politics, race and the arts. Previously, she covered the fashion industry as a business, as a cultural institution and as pure ...