Mercury will reach its greatest eastern elongation, marking the point where it is farthest from the Sun in the evening sky.

Less than two weeks later, on June 25, reports began to circulate of a second nova blossoming in the southern night sky, this time in the constellation Vela. This nova — later designated V572 Velorum ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

The 10-year survey is the primary mission of the Vera C. Rubin Observatory, located on a mountaintop at the edge of Chile’s ...