U.S. Sen. Jeanne Shaheen (D-N.H.) had a busy day last Tuesday as she celebrated the new Mount Washington Observatory snow cat ...

On Tuesday, Shaheen helped start up a new snowcat purchased to help traverse the Mount Washington Auto Road during the winter ...

Until recently, the Mount Washington Observatory had about 17 remote weather monitoring stations. At the end of a four-year expansion, it’ll have more than 50, said its executive director.