Many people enjoy lighting candles, incense and fireplaces in their homes to evoke the moods associated with these festive fragrances.  Burning scented products may create a cozy ambiance, and in the case of fireplaces, provide light and heat, but some experts want people to consider how doing so contributes to the quality of the air indoors.  All flames release chemicals that may cause allergy-like symptoms or contribute to long-term respiratory problems if they are inhaled in sufficient quanti

Like many holiday traditions, lighting candles and fireplaces is best done in moderation

A SpaceX Falcon 9 rocket carrying 27 Starlink satellites lifted off from Vandenberg Space Force Base in California on Sunday, Dec. 14, 2025. The first stage then made the company's 550th landing.

Falcon 9 rocket launches Starlink satellites before making 550th SpaceX landing (video)

Assuming Google does manage to launch a prototype in 2027, will it simply be a high-stakes technical experiment – or the dawning of a new era?

Data centers in space: Will 2027 really be the year AI goes to orbit?

December's faint Ursid meteor shower returns under dark skies, offering a small chance of unexpected activity.

December's overlooked meteor shower peaks next week — will the Ursids surprise us?

An overwhelming majority of U.S. adults are satisfied with their health insurance coverage overall, including most older Americans and those on Medicare and Medicaid, according to a new NBC News Decision Desk Poll powered by SurveyMonkey

Poll: Most are satisfied with their health insurance, but a quarter report denials or delays

Picking the right stage for online courses is essential for the two teachers and students to guarantee a consistent and locking in


6 Web-based Course Stages for Successful Learning and Educating


Instructive toys assume a critical part in the improvement of kids, assisting them with mastering new abilities while having a great time. These


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