Operators follow a 25-year rule: at this point, a satellite’s mission is deemed to have ended and it is lowered into the atmosphere where gravity and friction kicks in. While this helps clear space, ...

As the Vienna Convention turns 40, it is important to recognise there is still work to do to protect our planet’s UV shield.

Two nearby explosive massive star deaths, or supernovas, may have triggered mass extinction events in Earth's distant past, ...

March 22 marks the 40th anniversary of the Vienna Convention for the protection of the ozone layer. This international agreement laid the foundation for the global protection of the stratospheric ...

Lucknow: The drone survey model used to monitor drains flowing into the Ganga in Prayagraj during Maha Kumbh 2025 will now be ...

Air conditioning is essential for maintaining a comfortable indoor environment, especially in regions with hot and humid climates. However, older AC systems can consume excessive energy, leading to ...

"If you have anything you can give to this effort to fight back, I would say do it now because your kids' future depends on ...