Galileo Galilei championed the heliocentric model of the solar system and advanced modern astronomy with telescopic ...

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

The sun, a searing hot sphere of gas primarily composed of hydrogen and helium, boasts surface and outer atmospheric ...

The sun’s solar wind, made of charged particles, interacts with powerful eruptions, affecting cosmic rays and space weather.

For the first time, astronomers have traced a fast radio burst (FRB) to the outskirts of an ancient, dead, elliptical ...

By Marc Santora and Helene Cooper Rupert Murdoch’s News Group Newspapers offered Harry an “unequivocal apology,” admitting for the first time to “unlawful” activities at The Sun and ...

Commissions do not affect our editors' opinions or evaluations. First-time home buyers often have small down payments and lower credit scores. These characteristics can make it more challenging to ...

January 21, 2025 • Donald Trump begins his first full day in office, kicks off a slew of immigration-related executive actions and grants clemency to all defendants charged and convicted over ...

NPR's Up First is the news you need to start your day. The three biggest stories of the day, with reporting and analysis from NPR News — in 10 minutes. Available weekdays at 6:30 a.m. ET ...

Trump Asserts a Muscular Vision of Presidential Power as He Takes Over In a flurry of executive actions, President Trump revived disputed claims of broad presidential authority from his first term ...