IN Sky and Telescope of September, under the heading “Saluting an Astronomer”, Joseph R. Habes has an article which describes the method adopted by Eratosthenes for measuring the circumference of the ...

There are three commands you can use to find out what the IP address of a website is, and they’re all easy to use. Let’s see what you’re required to do: Find the IP address using the ping command Find ...

WASHINGTON — A number of federal agencies are putting out messages blaming Democratic senators for the current government shutdown, in a sharp break from how departments have handled shutdowns in the ...

Ask someone where outer space is, and they’ll probably point at the sky. It’s up, right? Simple. Except, no one really knows where “air space” ends and “outer space” begins. That might sound trivial, ...

Republicans in the Senate blocked a measure that would terminate the president’s legally disputed campaign targeting alleged drug runners. By Robert Jimison Reporting from the Capitol Republicans in ...

Net profit margin shows a company's remaining revenue after expenses as a percentage. To calculate net profit margin, divide net income by revenue and multiply by 100. Comparing net profit margins ...

ARV is the property's value after renovations, calculated using recent sales of similar nearby properties. To determine ARV, average the sales price of comparable properties, adjusting for size and ...

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than previously thought — and may be a big reason that our planet harbors life. Earth's ...

When we put our money in the market, or before we even do, one of the biggest questions we have is: How long will it take for this investment to really grow? Luckily, there's a mathematical shortcut ...

The Trump administration is blaming Democrats for the government shutdown in internal federal agency communications as well as public agency websites, in what experts say could be a violation of ...

President Trump announced TrumpRx.gov, a new federal website launching in early 2026, to offer discounted prescription drugs. A deal with Pfizer, the first drugmaker, will provide average 50% lower ...