Science

Palomar Observatory bids farewell to a tradition of napkin rings, cowbells and astronomical table conversation.Palomar Observatory bids farewell to a tradition of napkin rings, cowbells and astronomical table conversation. Read More

Adult children are less likely to assist an aging stepparent, studies show. A growing “step gap” in senior care worries experts.Adult children are less likely to assist an aging stepparent, studies show. A growing “step gap” in senior care worries experts. Read More

He directed a team of engineers that built Spirit, Opportunity and Curiosity, mobile robots that offered astonishing glimpses into the planet’s ancient past.He directed a team of engineers that built Spirit, Opportunity and Curiosity, mobile robots that offered astonishing glimpses into the planet’s ancient past. Read More

In Azerbaijan, the causes and effects of climate change are on vivid display and the painful trade-offs needed to fight it are acutely felt.In Azerbaijan, the causes and effects of climate change are on vivid display and the painful trade-offs needed to fight it are acutely felt. Read More

Azerbaijan last week convened a special meeting of climate diplomats at a remote resort. A Times reporter was there.Azerbaijan last week convened a special meeting of climate diplomats at a remote resort. A Times reporter was there. Read More

An ancient hoard of Persian coins offers insights into the political landscape around the time of the Peloponnesian War.An ancient hoard of Persian coins offers insights into the political landscape around the time of the Peloponnesian War. Read More

He touched the edge of space in one aircraft, an X-15, and ventured beyond it in another, a NASA shuttle. But the moon, to his disappointment, became out of reach.He touched the edge of space in one aircraft, an X-15, and ventured beyond it in another, a NASA shuttle. But the moon, to his disappointment,

The “prickles,” as botanists call them, evolved in roses and other plants thanks to a single gene, a new study found.The “prickles,” as botanists call them, evolved in roses and other plants thanks to a single gene, a new study found. Read More

Possible contenders to join the Harris ticket include three governors, a senator concerned by extreme heat and drought, and the current Transportation Secretary.Possible contenders to join the Harris ticket include three governors, a senator concerned by extreme heat and drought, and the current Transportation Secretary. Read More

Like Olympic cyclists, fish expend less effort when swimming in tight groups than when alone. The finding could explain why some species evolved to move in schools.Like Olympic cyclists, fish expend less effort when swimming in tight groups than when alone. The finding could explain why some species evolved to move in schools. Read More