Reached

Methane Pollution Just Reached New Heights, And The Sources May Not Be What You Think

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Methane recently reached 1,900 parts per billion (ppb) of Earth’s atmosphere according to measurements taken by the National Oceanic and Atmospheric Administration (NOAA) in the US. This compares with about 700 ppb before the industrial revolution.   Methane is a powerful greenhouse gas, but lasts around nine years in the air. Including the knock-on effects … Read more

NASA’s James Webb Space Telescope has reached its final destination. Let’s celebrate the team that got it there (op-ed)

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Dr. Thomas Zurbuchen is associate administrator for NASA’s Science Mission Directorate. He contributed this article to Space.com’s Expert Voices: Op-Ed & Insights. There is a new speck of light in the sky right now, best observable from Earth around midnight. This blurry speck — dim as it may be, small as it may be — represents … Read more

Happy perihelion! Earth reached its closest point to the sun today.

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The sun is just a little bit closer in Earth’s sky right now. Earth is at its closest to the sun Tuesday (Jan. 4) in its 365.25-day journey. This milestone, called perihelion, coincidentally happens near the start of the Gregorian calendar year observed by much of the world, including in North America. The exact moment … Read more

Our Extinct Cousins Reached ‘The Roof of The World’ a Long Time Before Homo Sapiens

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If it wasn’t for an extinct relative of modern humans known as the Denisovans, some researchers suspect our own species might never have made their home on the highest and largest plateau in the world.   The Tibetan Plateau, sometimes called the Himalayan Plateau, is nicknamed ‘the roof of the world’ because it sits, on … Read more