When you buy through links on our articles, Future and its syndication partners may earn a commission.

Our solar system's famous "invader" might be as old as the Milky Way itself.

If C/2026 A1 (MAPS) survives its close encounter with the sun, it could blaze brightly enough to be seen from Earth.

NASA has confirmed the detection of a colossal interstellar comet measuring up to 20 kilometers across as it speeds through ...

A newly discovered interstellar comet known as 3I/ATLAS is racing through our Solar System on a hyperbolic trajectory at more than 68 km/s, offering scientists a rare chance to study material formed ...

A small comet, named 41P, shocked scientists by suddenly reversing its spin, driven by uneven jets of gas near the Sun.

Two comets are currently hurtling towards the Sun. If they survive the trip, they may put on a dazzling show for Australian ...

Comet 3I/ATLAS continues to make astonishing headlines, thanks to new findings from astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA). This new research reveals that 3I/ATLAS ...

C/2026 A1 (MAPS) and C/2025 R3 (PanSTARRS) —could become visible in April. One may be super-bright or disintegrate, while the other may be more predictable.

The first crewed mission of NASA's Artemis moon program may take off in a matter of days, with a launch window that opens on April 1, and as preparations are underway for that, the space agency is ...

Astronomers reveal that most of the water from interstellar comet 3I/ATLAS came from icy grains in its surrounding cloud, not ...

Sky This Week is brought to you in part by Celestron. Friday, April 3Mercury reaches greatest western elongation at 7 P.M.