For more than 400 years, astronomers both professional and amateur have taken a special interest in observing Mira stars, a class of variable red giants famous for pulsations that last for 80-1,000 ...

Purdue faculty dedicate countless hours to exploring the frontiers of their respective fields, pushing the boundaries of knowledge and contributing to the ever-evolving landscape of academia. To ...

The successful creation of a guide star above the European Southern Observatory (ESO) Paranal site in Chile with freshly installed lasers marks a new era of interferometry, according to the ESO team.

Advances in quantum technology might allow astronomers to circumvent age-old issues that limit the size of optical observatories ...

For astronomers, one of the greatest challenges is capturing images of objects and phenomena that are difficult to see using optical (or visible light) telescopes. This problem has been largely ...

Segmented mirror telescopes form the backbone of modern optical astronomy, enabling apertures far exceeding the fabrication limits of monolithic mirrors. Precise piston alignment of individual mirror ...

Astronomy is one of the most ancient sciences that humanity has ever pursued. Since the dawn of civilisation, mankind has gazed at the night sky, awed and inspired by its black emptiness, the apparent ...