Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation.

Most explanations rely on "dark energy" to explain the Universe's accelerating expansion rate, but a new study takes a different path.

This video presents the Porsche Carrera GT with a focus on its V10 engine start-up, acceleration, and exhaust sound on the ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...

If you have ever stared at a bond statement and felt the numbers blur, then you are not alone. In simple terms, the coupon rate tells you the interest cash you will receive each year. Once you see the ...

NEW YORK, Sept. 30, 2025 /PRNewswire/ -- With plastic and reconstructive surgeries rising steadily across the United States, HSL LABS today announced its strategic focus on the emerging, high-demand ...

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 ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, researcher, and ...