Just three decades ago, astronomers had no evidence that planets commonly orbited other stars. Then in 2025, NASA confirmed ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

An illustration of the hazy, pink-hued gassy giant GJ504b, which may be a massive planet or a brown dwarf orbiting a nearby ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

In 1877, an Italian astronomer mapped faint lines on Mars and called them canali, meaning channels or grooves. But the word ...