According to the paper laying out the research behind the discovery, "TOI-1846b is a super-Earth-sized planet, with a radius ...

NASA SMD Lunar Discovery and Exploration Program intends to solicit a suite of lunar science and technology instruments via ...

Michel Mayor and Didier Queloz made a groundbreaking discovery: the first exoplanet orbiting a solar-type star. This moment ...

In a cosmic first, astronomers have captured the birth of rocky planets around a baby sun-like star 1,370 light-years away.

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

A dusty envelope misplaced in a government archive has rewritten a chapter of mineral history. That 1949 letter, discovered ...

The future of at least one of the U.S. LIGO observatories is in jeopardy as deep cuts to science programs are proposed by the ...

Astronomers have confirmed the existence of a companion star orbiting Betelgeuse, providing answers to the red supergiant's unusual brightness variations.

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our understanding of how planets take shape — not only in our solar system, but ...

In a cosmic first, astronomers have spotted the earliest signs of rocky planet formation around a young star. The discovery ...

Astronomers have discovered a companion star in an incredibly tight orbit around Betelgeuse using the NASA and U.S. National ...