The discovery of HD 20794 d is a big step forward in understanding exoplanets and their potential for life. Because this planet is relatively close to Earth and orbits a bright star, it is a ...
Over the past thirty years, astronomers have identified more than 7,000 planets outside of our solar system – a remarkable leap since the first exoplanet discovery in 1995 ... and the processes tied ...
A newly discovered asteroid — called 2024 YR4 — has slightly more ... Dimorphos did not pose a threat to Earth, and was circling the Sun some 11 million kilometres away from the planet.