An extraordinary event consistent with a neutrino with an estimated energy of about 220 PeV (220 x 1015 electron volts or 220 ...
Using the X-ray Polarimetry Explorer (IXPE) and Neutron star Interior Composition Explorer (NICER), Indian astronomers have ...
NASA astronaut Suni Williams was undertaking a repair on the ISS when she was photographed from Earth by an amateur astrophotographer ...