Astronomers have found a 710-metre-wide asteroid that spins once every 1.9 minutes, so fast that it should have spun itself ...

NASA has not reestablished contact with its MAVEN Mars orbiter since a planned communications blackout ended Jan. 16.

The history of Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed ...

Scientists have long sought to explain a key mismatch in Earth's early history: oxygen-producing photosynthesis evolved ...

Krypton, the noble gas better known for its fictional association with Superman, has become one of the most telling chemical tracers in planetary science. By measuring krypton isotopes locked inside ...

Today, the Sahara is a 3.6-million-square-mile expanse of blistering sand, sweeping dunes, and barren rock. It defines the very concept of an inhospitable wasteland. Yet, hidden deep within the arid ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability ...

As part of its 2026-2027 departmental plan, the Canadian Space Agency (CSA) has cancelled its ambitious lunar rover that ...

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers have so far identified over 6,000 exoplanets beyond our solar system, only a ...

NASA’s Perseverance rover has uncovered a buried ancient river delta on Mars using ground-penetrating radar, revealing evidence of early water flow and boosting hopes of past microbial life on the ...

When the Stanford biologist and science writer Paul Ehrlich died last week at 93, the obituaries that followed were a fascinating exercise in editorial balance. As usual, most hesitated to speak too ...

Deep in the cold darkness beyond our Solar System, Oxford-led astronomers have discovered a world that defies easy categorisation: a small, rocky worl.