A Conversation With: Luis Ho Pushes China Into World Astronomy Club
From his post at Peking University, the astronomer Luis Ho has a clear view not just of black holes but also the rapid evolution of science in...
Take a Number: 3.2 Millimeters: A Troubling Rise in Sea Level
Since 1993, the average rate of increase in sea level has nearly doubled. By 2081, yearly increases are likely to be as high as 16 millimeters a...
Observatory: Oregon Valley Wasn’t Always Forest-Covered, Study Says
Researchers found that frosty meadowlands and patchy subalpine forest predominated in the Triangle Lake region during the last ice age....
Reactions: Letters to the Editor
Readers respond to articles in Science Times.
7-million-year-old fossils show how the giraffe got its long neck
For years, there has been scant fossil evidence showing how the giraffe evolved to have such an admirably long neck.
At Least 15 Die in Texas and Kansas as Winter Storms Pummel Plains
This week should provide some respite for the southern Plains, weather officials say, but heavy snow is forecast for the more northern parts of the...
Observatory: Lessons From Cellphones on Distribution of Wealth
A new study reports that in developing countries, mobile phone information can be used to determine the geographic distribution of wealth and...
Essay: Blood Pressure, a Reading With a Habit of Straying
Measuring it is a relatively simple task. Measure it again and again, and you might find yourself on a roller-coaster ride....
Q&A: Yawning and the Tears That Follow
Yawning often increases the secretion of tears because of muscular tension, and it can cause a runny nose, too.
Egypt is now 90% certain of a hidden chamber in King Tut's tomb
Egyptian officials are now "approximately 90%" certain there's a hidden chamber inside the tomb of King Tutankhamun, AFP reports.
Archaeologists on hunt to unearth long-buried movie set
Thou shalt restore the Guadalupe-Nipomo Dunes to their natural state once filming wraps up.
Paris climate talks kick off
World leaders gathered in Paris Monday to kick off two weeks of talks aimed at crafting an agreement that could put the brakes on heat-trapping...