Science

Mr. Ji and Mr. Zhou each said that considerable work had already been done on a crewed lunar lander.“These works...

And on the 26th day, the moon capsule returned to Earth.During the early hours of Nov. 16, NASA launched a...

Better smartphone cameras have helped, as have inexpensive macro-lens attachments and the ubiquity of wireless internet access.Birders who have mastered...

Leaping out of a balloon gondola almost 20 miles above the New Mexico desert on a summer’s day in 1960,...

More than five feet is expected in parts of the Sierra, forecasters at the prediction center wrote.Forecasters believe blizzard conditions...

A key partner in Covax, the organization that has led the effort to bring Covid vaccines to poor and middle-income...

In creating modern dog breeds, humans sculpted canines into physical specimens perfectly suited for a wide variety of tasks. Bernese...

Of all the groups still threatened by Covid-19 — including the elderly and the immunocompromised — it is pregnant women...

Nikenike Vurobaravu presides over a tiny country with a large hand in climate diplomacy.Rising sea levels threaten the very existence...

John Kerry, President Biden’s climate envoy, was evasive when discussing his future on Wednesday, saying he had “no plans” to...