Astronomers have announced a "startling" discovery - a mysterious space object that emits pulses of radio waves and X-rays for two minutes every 44 minutes.

Given the uncertain distance, astronomers can’t tell if the weird object is associated with the supernova remnant or not. A single light-year is 5.8 trillion miles. The hyperactive phase of this ...

ASKAP J1832-0911, which is periodically throwing out pulses of radio waves and X-rays, could be a brand-new cosmic object.

CAPE CANAVERAL, Fla. — Astronomers have discovered a strange new object in our Milky Way galaxy. An international team reported Wednesday that this celestial object — perhaps a star ...