"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...

Using the Hubble Space Telescope and an array of other instruments, astronomers have probed supernova wreckage in the Large ...

Exactly 35 years ago this week, the Hubble Space Telescope was released from the Space Shuttle Discovery cargo hatch. Four ...

Robert Lee Hotz covered new research and its impact on society for The Wall Street Journal.

In a memorable image from the 1977 film “Star Wars,” the young hero Luke Skywalker gazes at two suns setting above the horizon on his desert planet Tatooine. Astronomers since then indeed have ...

Scientists are investigating the number of super-Earths compared to Neptune-sized planets in other solar systems. Their research suggests that super-Earths are at least as common as Neptune-sized ...

Gain access to all articles, ad-free browsing, exclusive content, The Vault, and other benefits! T he European Space Agency’s ...

In the last few years, astronomers have discovered that our galaxy is teeming with planets unlike anything in our solar system. One such exotic world, K2-18b, made the news recent ...

UCSB Physics Professor Roger Freedman held our attention three years ago as he explained the wonders and understanding that ...

Spoiler warning: Below there will be information about today's New York Times Strands puzzle.

Earth exoplanets—rocky planets larger than Earth but smaller than Neptune—may be far more abundant throughout the universe ...

From spellbinding images to groundbreaking scientific discoveries, we look back on some of Hubble's most exciting milestones.