Earth’s oceans once looked green—and could turn purple or red due to climate and volcanic changes. Find out what it means for ...

NEW YORK — A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes ...

A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes of a naked ...

A recently-discovered comet could have appeared in the night sky with the naked eye, but its passage near the sun has turned ...

Green revolution in commercial real estate: Two-thirds of Grade A office space now sustainable. Hyderabad and Bengaluru lead in green office penetration Almost two-thirds of the total Grade A offi ...

Mission funded by billionaire Jeff Bezos has received a heavy backlash and scepticism over its marketing as a historic and ...

There are a lot of things we need to do to live sustainably. However, we have to consider whether this means giving up on some of our other top priorities. Space law. It sounds like a not-so-exciting ...