Planned launch of 500,000 satellites could spoil about one in three Hubble images, even when the telescope stays above Earth's weather.

The newly discovered sungrazing comet C/2026 A1 (MAPS) will undergo an extremely close slingshot around our star in early ...

Cosmic dust normally comes from dying stars. The recipe for a lab-made version includes a few gases, vacuum tubes and ...

The planet's radius from pole to center has been revised to 66,842 km, and at the equator to 71,488 km. That makes it about 12 km smaller along the poles, and about 4 km smaller at the equator, than ...

The combustible sedimentary rock, better known as coal, was not only crucial to the onset of advanced technology here on Earth, but it should also be key to the development of advanced E.T.s residing ...

At the University of Sydney, a Ph.D. student has recreated a tiny slice of outer space and used it to make cosmic dust from ...

In an unprecedented astronomical event, Comet C/2025 K1 (ATLAS) has been caught breaking apart as it passed perilously close ...

This month, skywatchers can enjoy a rare celestial event known as a "planetary parade," featuring six planets- Mercury, Venus ...

The discovery provides new insights into the question, 'how large can a planet be?' An illustration of the HR 8799 system with three of its gas ...

Merger of two neutron stars in the aftermath of a supernova may have been observed for the first time, though questions ...

Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets ...

NASA Administrator Jared Isaacman announced that, starting with Crew-12 and Artemis II, astronauts will be able to take ...