Category: Science

  • Drone Helped Crews Fight the South Fork Fire

    Drone Helped Crews Fight the South Fork Fire

    Realization of a need and quick thinking by crews fighting the South Fork Fire last year led to the use of new ground breaking fire technology, the use of drones to pinpoint hotspots and areas of concern.

  • The Lyell Glacier has Stopped Moving

    The Lyell Glacier has Stopped Moving

    Conspiracy theorists will yell “there’s no such thing”, while climatologists are saying “I told you so” but for whatever reason, climate change or what-have-you, the The Lyell Glacier, the largest glacier in Yosemite National Park, has stopped moving.

  • Frazil Ice is Back!

    Frazil Ice is Back!

    Frazill what’s back? Frazil Ice. Take a look at this great video from Yosemite Nature Notes after the jump to learn all about it. It’s awesome stuff!

  • They Made Yosemite – Glaciers! (video)

    They Made Yosemite – Glaciers! (video)

    Come along with the crew of Yosemite Nature Notes as they explore the most influential force in the shaping of Yosemite – GLACIERS!

  • How’s the Water

    Lots of people are asking how the rivers are flowing in Yosemite. Well now there’s a pretty cool way you can keep track of just how high the water is flowing AND how busy the Mist Trail to Vernal and Nevada Falls is. Thanks to the US Geological Survey this awesome new webcam keeps track…

  • The Occupation of Mount Conness

    The other day I watched an episode of Huell Howser’s California’s Gold about the Conness Glacier on PBS. Unfortunately that video isn’t available anywhere on the internet but I did stumble across something REALLY interesting, a copy of Overland Monthly and Outwest Magazine detailing the 1890 occupation of Mt. Conness by the team of engineers…

  • What’s the most important tree in Yosemite Valley?

    Could this be the most important tree in Yosemite Valley? Photo by Dale Carlson. What’s the most important tree in Yosemite Valley? Is it the sugar maples by the Chapel? The aspens along the river with their beautiful golden leaves? How about the big tree in the meadow that all the photographers love to shoot…

  • One Mans Lake is Another Mans Text Book

    Most visitors to Yosemite see Siesta Lake as a picturesque spot to stop and stretch your legs along the Tioga Road but Professor of Geology, Garry Hayes sees it as a tool to help students understand glaciation in the Sierra. Photo by

  • Star Bright, Star Light, First Star I See Tonight

    Photo courtesy NPS. One of the things I hear from people who’ve just experienced their first night in Yosemite is, “God I can’t believe how many stars there are here!” The stars are exactly the same as where you live, we just don’t have as much light pollution drowning out their light. In fact, Tuolumne…

  • Smmmmokin!

    So if you’ve been up to Yosemite the last few days and have been wondering why the Valley is so smokey @YosemiteScience has your answer. It’s the fire in La Brea. Smoke from the fire is drifting north over the mountains, into the Central Valley and up into Yosemite. Bleh. You can see the high-resolution…