SPACEFLIGHT NOW -- One of Landsat 5's radio transmitters responsible for downlinking science imagery failed in December, but in a remarkable turn of fortune, another radio declared failed almost 23 years ago has been unexpectedly revived. The nearly 26-year-old Landsat 5 remote sensing satellite has cheated death once again, but Earth scientists will have to wait three more years for a fresh spacecraft to meet all their research needs. Read More