Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch ...

Discover how to build a simple DIY Stirling engine powered by heat from candles using an empty spray can and pen components. This step-by-step guide demonstrates how to construct the engine, build a ...

Penn State researchers created seven new high-entropy oxides by removing oxygen during synthesis, enabling metals that normally destabilize to form rock-salt ceramics. Machine learning helped identify ...

Top longevity scientist Eric Topol, author of the new book Super Agers, tells National Geographic which biohacks for a longer life are backed by science—and which you can skip. Skip the supplements ...

The CBSE Class 10 Social Science Pre-Board Sample Paper 2025 helps students practice the latest exam pattern and understand important question formats before the board exam. Solving these papers ...

Right now one of the most advanced planetary explorers ever built is scouring the surface of Mars. Supported by a team of hundreds of scientists back on Earth, the Perseverance rover has traveled ...

A 62-page document written by President Donald Trump’s on-again-off-again pick to run NASA, billionaire Jared Isaacman, outlines a sweeping, ambitious, and at times controversial plan for the space ...

CBSE Board Exams 2026: The Class 10 exams will conclude on March 10. CBSE Board Exams 2026: The Central Board of Secondary Education (CBSE) has released the sample question papers for Class 10 ...

When you push or pull with a simple machine, you are applying a force and doing work. And, if you get more force out of a machine than you put into it, then that machine has a mechanical advantage.

Darryl Jones does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

NASA’s Perseverance Rover captured this image of its own tracks in the Jezero Crater on Mars in October 2024. Credit: NASA/JPL-Caltech NASA’s Mars Sample Return mission is an ambitious project that ...

Long-term astrophotography projects involve repeatedly imaging celestial objects over extended periods (days to years), documenting changes in their position and/or appearance, combining art and ...