Scientists solve a 15-year Mars mystery, confirming ferric hydroxysulfate formed by volcanic and hydrothermal heating across ...

The Hubble Space Telescope has been used to determine the mass of white dwarf star LAWD 37. It is "56 percent the mass of our ...

Body mass index, or BMI for short, is a measure of body weight based on your height. For decades, BMI has been a way to measure whether someone is at a healthy weight. In general, people are ...

This article discusses the advantages of a native anion exchange method coupled to mass spectrometry (MS) for charge ...

Bob Giddings Green Bay, Wisconsin Calculating the total mass of the universe is not simple, because most of the mass is invisible. In a pie chart of the contents of the universe, only 5 percent is ...

A decade ago, scientists first detected ripples in the fabric of space-time, called gravitational waves, from the collision of two black holes. Now, thanks to improved technology and a bit of luck, a ...

This artwork imagines the ultimate front-row seat for GW250114, a powerful collision between two black holes observed in gravitational waves by the U.S. National Science Foundation LIGO. It depicts ...

Molarity is the concentration of a solution in terms of the number of moles of the solute in 1 dm 3 (1 liter) of the solution. What are the units of molarity? The units of molarity are M or mol/L. A 1 ...

The 21st century pharmaceutical and biotech sector has come a long way from its roots in 19th century pharmacy. pharmaphorum looks at its evolution over the centuries. The roots of the pharmaceutical ...

Some of Mazatlán's most beloved sights (such as the Basilica of the Immaculate Conception) are centered in Old Mazatlán. You won't need to make a special effort to enjoy this part of town, but you can ...

Astronomers are using radio pulses from space to find missing baryonic matter and learn about supermassive black holes, ...

Oct. 3, 2025 — Astronomers have uncovered a runaway feeding frenzy in a rogue planet drifting freely through space, devouring six billion tonnes of gas and dust every second. Located 620 light-years ...