NASA plans to launch the Habitable Worlds Observatory in the 2040s, a mission whose goal is “to image Earth-like planets ...

An international team of astronomers reports the discovery of a new exoplanet orbiting a sunlike star as part of the Next ...

NASA's Curiosity rover was built for a 2-year Mars mission. Nearly 14 years later, it is still making history in Gale Crater.

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

A strange class of comet could explain the enigmatic behavior of ‘Oumuamua, the first known interstellar object—and even shed ...

Jared Isaacman also praised President Donald Trump’s push to declassify government records related to UFOs ...

For almost a decade—ever since 2017, when our first known interstellar visitor, 1I/‘Oumuamua, swooped through the inner solar ...

Jared Isaacman, the administrator of NASA, says the space agency possesses images of unidentified objects that scientists ...

Ever so slightly bigger than Earth, the exoplanet LHS 3844b orbits its parent star, LHS 3844, a red dwarf 48.5 light-years ...

As another heat dome descends on the US From planting trees to painting streets white, US cities are fighting extreme heat.