This infographic compares the characteristics of three classes of stars in our galaxy: Sunlike stars are classified as G stars; stars less massive and cooler than our Sun are K dwarfs; and even fainter and cooler stars are the reddish M dwarfs. The graphic compares the stars in terms of […]

Each of these Hubble Space Telescope snapshots reveals four distorted images of a background quasar surrounding the central core of a foreground massive galaxy. The multiple quasar images were produced by the gravity of the foreground galaxy, which is acting like a magnifying glass by warping the quasar’s light in […]

The company’s total investment haul is now $80 million. The space startup SpinLaunch is developing a novel kinetic energy-based launch strategy (Image: © SpinLaunch) SpinLaunch continues to rake in the cash. The secretive California-based startup, which is developing a novel kinetic-energy-based launch system, has received an additional $35 million from investors, […]

A new study by a group of researchers at the University of Birmingham has found that collisions of supermassive black holes may be simultaneously observable in both gravitational waves and X-rays at the beginning of the next decade. The European Space Agency (ESA) has recently announced that its two major space observatories of the […]

Artist’s impression of gamma-ray burst with orbiting binary star. Credit: University of Warwick/Mark Garlick Stars need to be in binary systems to create gamma-ray bursts, University of Warwick study finds Gamma-ray bursts are the Universe’s brightest explosions, caused by massive collapsing stars The tidal effects from a companion star keep […]