While the Webb Telescope watched exoplanet K2‑18b glide across its parent star, sulfur‑bearing gases appeared in the planet’s ...

For the past 35 years, an unusual radio signal from deep space has continued to reach Earth at regular intervals — every 22 ...

This colorful image of the Helix nebula may mirror what someday could become of our sun and our home planet. Released on ...

“There are several highly magnetised neutron stars, or magnetars, that are known to exhibit radio pulses with a period of a ...

This image of the Helix Nebula, released on March 4, 2025, shows a potentially destructive white dwarf at the nebula's center ...

The faint star is a red dwarf — a small but extremely ubiquitous main sequence star. But it couldn't produce the signal on its own, de Ruiter wrote. There had to be a companion; binary systems ...

A white dwarf paired with a red dwarf isn’t that ... Then there are fast radio bursts (FRBs), strange, milliseconds-long signals also thought to come from neutron stars — perhaps acting ...

A distant planet's atmosphere shows signs of molecules that on Earth are associated only with biological activity, a possible signal of life on what is suspected to be a watery world, according to a ...

Decades of constant X-ray emission from the Helix Nebula’s white dwarf suggest debris from a Jupiter-sized planet steadily rains upon the star.